Last update: Oct 2026

Cost of Living Comparison Between O'Fallon, IL and Rio de Janeiro

For one person, living is cheaper in Rio de Janeiro: $1,273 a month against $2,591 in O'Fallon, IL, rent and utilities included – about $15,800 less a year. Rent and utilities account for most of the difference.

O'Fallon, IL
🇺🇸 United States
$2,591
/mo nomad
Rio de Janeiro
🇧🇷 Brazil
$1,273
/mo nomad
Monthly Cost of Living

How much you'll spend in O'Fallon, IL and in Rio de Janeiro

Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in O'Fallon, IL and in Rio de Janeiro actually costs, broken down by who's living it.

A single person spends $2,591 per month in O'Fallon, IL vs $1,273 in Rio de Janeiro, rent included.

  • O'Fallon, IL $2,591
  • Rio de Janeiro $1,273

A couple spends around $3,785 per month in O'Fallon, IL vs $1,841 in Rio de Janeiro, rent included.

  • O'Fallon, IL $3,785
  • Rio de Janeiro $1,841

A family of three spends $4,980 per month in O'Fallon, IL vs $2,409 in Rio de Janeiro, rent included.

  • O'Fallon, IL $4,980
  • Rio de Janeiro $2,409

O'Fallon, IL costs about 103% more than Rio de Janeiro, and outside of rent the biggest gap is in groceries.

O'Fallon, IL sits 91% above the global median, while Rio de Janeiro is 6% below – they fall on opposite sides of the world average.

Currency
🍽 Eating Out
O'Fallon, IL
Rio de Janeiro
Difference
Meal at Budget Restaurant
$18.28 $18.28
$9.38 R$47.54
94.88%
Three-Course Dinner for Two, Mid-Range
$74.4 $74.4
$40.00 R$203
85.95%
Fast Food Meal (McDonalds, etc)
$10.70 $10.70
$8.34 R$42.28
28.30%
Cappuccino
$5.27 $5.27
$2.29 R$11.62
130.13%
Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)
$2.35 $2.35
$1.59 R$8.05
47.80%
Water (0.33 liter bottle)
$1.66 $1.66
$1.01 R$5.10
64.36%
Local Beer (0.5 liter draught)
$3.79 $3.79
$2.14 R$10.85
77.10%
Imported Beer (0.33 liter bottle)
$5.19 $5.19
$3.66 R$18.55
41.80%
🛒 Groceries & Markets
O'Fallon, IL
Rio de Janeiro
Difference
Milk (1 liter)
$1.00 $1.00
$1.13 R$5.72
-11.50%
White Bread (500g)
$3.22 $3.22
$2.09 R$10.60
54.07%
Rice (white) (1kg)
$5.61 $5.61
$1.25 R$6.36
348.80%
Eggs
$3.93 $3.93
$2.25 R$11.39
74.67%
Local Cheese (1kg)
$12.06 $12.06
$10.92 R$55.3
10.44%
Chicken Fillets (1kg)
$15.66 $15.66
$4.36 R$22.10
259.17%
Beef Round Steak (1kg)
$16.22 $16.22
$9.60 R$48.66
68.96%
Apples (1kg)
$8.24 $8.24
$2.85 R$14.46
189.12%
Banana (1kg)
$2.38 $2.38
$1.81 R$9.16
31.49%
Oranges (1kg)
$5.48 $5.48
$1.58 R$8.02
246.84%
Tomato (1kg)
$5.13 $5.13
$1.83 R$9.28
180.33%
Potato (1kg)
$4.24 $4.24
$1.20 R$6.10
253.33%
Onion (1kg)
$3.36 $3.36
$1.06 R$5.35
216.98%
Lettuce (1 head)
$2.01 $2.01
$0.75 R$3.81
168.00%
Water (1.5 liter bottle)
$2.54 $2.54
$0.68 R$3.45
273.53%
Cigarettes 20 Pack (Marlboro, Camel)
$8.09 $8.09
$2.94 R$14.90
175.17%
Wine (Bottle)
$14.94 $14.94
$7.98 R$40.43
87.22%
Local Beer (0.5 liter bottle)
$2.91 $2.91
$1.18 R$5.98
146.61%
Imported Beer (0.33 liter bottle)
$3.34 $3.34
$2.42 R$12.26
38.02%
🚌 Getting Around
O'Fallon, IL
Rio de Janeiro
Difference
One-way Ticket (Public Transport)
$2.14 $2.14
$0.94 R$4.78
127.66%
Public Transport Monthly Pass (Regular Price)
-
$50.3 R$255
-
Taxi Start (Normal Tariff)
$3.58 $3.58
$1.20 R$6.10
198.33%
Taxi (Normal Tariff) (1km)
$1.59 $1.59
$0.83 R$4.20
91.57%
Taxi 1hour Waiting (Normal Tariff)
$17.65 $17.65
$8.97 R$45.48
96.77%
Gasoline (1 liter)
$1.11 $1.11
$1.29 R$6.53
-13.95%
Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$27.8K $27.8K
$22.8K R$115.5K
22.12%
Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$26.2K $26.2K
$34.0K R$172.1K
-22.81%
🧾 Monthly Utilities & Internet
O'Fallon, IL
Rio de Janeiro
Difference
Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)
$242 $242
$134 R$681
80.22%
SIM Card Monthly Plan (Calls and 10GB+ Data)
$68.6 $68.6
$10.73 R$54.4
539.24%
Internet (50+ Mbps, Unlimited Data)
$75.9 $75.9
$22.84 R$116
232.31%
🎉 Sport & Entertainment
O'Fallon, IL
Rio de Janeiro
Difference
Gym Membership (Monthly)
$41.68 $41.68
$30.16 R$153
38.20%
Tennis Court (1 Hour on Weekend)
-
$31.49 R$160
-
Cinema Ticket
$12.60 $12.60
$7.73 R$39.17
63.00%
🧸 Childcare & Education
O'Fallon, IL
Rio de Janeiro
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)
$663 $663
$584 R$2,960
13.61%
International Primary School, 1 Child (Yearly)
$12.6K $12.6K
$12.8K R$64.9K
-1.71%
👕👟 Clothing & Footwear
O'Fallon, IL
Rio de Janeiro
Difference
Jeans (Levis 501 Or Similar)
$46.51 $46.51
$41.12 R$208
13.11%
Summer Dress (H&M, Zara, etc)
$25.04 $25.04
$49.26 R$250
-49.17%
Sport Shoes (Adidas, Nike)
$57.5 $57.5
$73.7 R$373
-21.94%
Men's Leather Business Shoes
$49.29 $49.29
$65.9 R$334
-25.24%
🏠 Accommodation & Living
O'Fallon, IL
Rio de Janeiro
Difference
1-bedroom Apartment, City Center (Monthly)
$1,602 $1,602
$900 R$4,561
78.02%
1-bedroom Apartment, Outside City Center (Monthly)
$1,295 $1,295
$527 R$2,673
145.53%
3-bedroom Apartment, City Center (Monthly)
$2,473 $2,473
$1,332 R$6,754
85.63%
3-bedroom Apartment, Outside City Center (Monthly)
$2,167 $2,167
$748 R$3,790
189.88%
Buy Apartment in City Center (m2)
$2,348 $2,348
$3,990 R$20.2K
-41.16%
Buy Apartment Outside City Center (m2)
$2,575 $2,575
$1,560 R$7,908
65.07%
💵 Salaries & Financials
O'Fallon, IL
Rio de Janeiro
Difference
Average Monthly Net Salary (After Tax)
-
$640 R$3,246
-
20-Year Fixed Mortgage Interest Rate (Annual %)
6.72
11.93
-43.67%

CityCost data is based on AI and user input – minor inaccuracies may occur.

Last update for O'Fallon, IL: October 19, 2026

Last update for Rio de Janeiro: October 18, 2026

Monthly budget structure
Share of the monthly basket for one person, rent included.
Accommodation & Living
O'Fallon, IL
$1.3K
Rio de Janeiro
$527 59.3% $767
Groceries & Markets
O'Fallon, IL
$456
Rio de Janeiro
$214 53.1% $242
Monthly Utilities & Internet
O'Fallon, IL
$387
Rio de Janeiro
$168 56.6% $219
Eating Out
O'Fallon, IL
$287
Rio de Janeiro
$156 45.7% $131
Clothing & Footwear
O'Fallon, IL
$80
Rio de Janeiro
$103 28.9% $23
Sport & Entertainment
O'Fallon, IL
$67
Rio de Janeiro
$46 31.8% $21
Getting Around
O'Fallon, IL
$20 *
Rio de Janeiro
$59 196% $39

Categories marked with * are only partly priced – their share counts the items that do have prices.

Cost Breakdown

A central one-bedroom costs $1,602 in O'Fallon, IL versus $900 in Rio de Janeiro. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.

A mid-range dinner for two costs $74.0 in O'Fallon, IL versus $40.00 in Rio de Janeiro. Monthly groceries follow the same trend: $456 vs $214 – making Rio de Janeiro the more affordable choice for daily food spending.

Good to know
🇺🇸 O'Fallon, IL
🇧🇷 Rio de Janeiro
🕒 Local time
19:59 7:59 PM
21:59 9:59 PM
2 h ahead of O'Fallon, IL
🌤 Weather
👥 Population
94,074
6,211,223
💱 Currency
Exchange rates and currency converter

BRL, EUR to USD – United States Dollar Converter

United States Dollar exchange rates as of October 22, 2026: 1 EUR = 1.12 USD (1 USD = 0.89 EUR).

Brazilian Real exchange rates as of October 22, 2026: 1 USD = 5.07 BRL (1 BRL = 0.197 USD). 1 EUR = 5.7 BRL (1 BRL = 0.175 EUR).

On the map
Between locations
  • O'Fallon, IL Rio de Janeiro 8,390 km ≈ 11 h nonstop flight
From you
  • O'Fallon, IL
  • Rio de Janeiro

Distances are measured in a straight line. Your location is detected approximately.

City Median Internet Speeds Comparison (Updated April 2026)

The chart highlights the Precision Threshold for mobile and fixed broadband internet speeds, updated quarterly.
Digital Nomad Cost of Living Index
O'Fallon, IL vs Rio de Janeiro: Cost of Living - Frequently Asked Questions
Is Rio de Janeiro cheaper than O'Fallon, IL?
Yes – O'Fallon, IL is pricier by about 103%, and outside of rent the gap shows up most in groceries.
What income do you need for each city?
For a comfortable life, plan on about $3,886 per month in O'Fallon, IL and $1,910 in Rio de Janeiro. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.
Which city has lower housing costs?
Rent is clearly cheaper in Rio de Janeiro, especially for central apartments. Housing is actually the single biggest factor behind the overall cost gap between these two cities.
What are total monthly expenses in O'Fallon, IL and in Rio de Janeiro?
Monthly expenses with rent come to $2,591 in O'Fallon, IL and $1,273 in Rio de Janeiro. That's a gap of about 103%.
Which city has cheaper kindergarten?
Kindergarten costs $663 per month in O'Fallon, IL and $584 in Rio de Janeiro. For families with young kids, this one expense can tip the scales when choosing between the two cities.
Is $2,000 a realistic budget for living in O'Fallon, IL or in Rio de Janeiro?
A $2,000 monthly budget goes further in Rio de Janeiro, where all-in costs run around $1,273, than in O'Fallon, IL at $2,591. In Rio de Janeiro it covers expenses comfortably, while in O'Fallon, IL it requires careful planning or may not stretch far enough.
Is O'Fallon, IL or Rio de Janeiro more family-friendly?
Families tend to lean toward Rio de Janeiro – lower housing and cheaper childcare make a real difference, especially on a single income or when paying for private education.
Which city is safer, O'Fallon, IL or Rio de Janeiro?
Both have safer and rougher neighborhoods, but overall safety is comparable to other large cities. Neighborhood choice matters more than the city-level comparison – central, well-trafficked areas feel secure in both.
Which city is the better choice to relocate to?
If budget matters most, go with Rio de Janeiro. If higher salaries, better infrastructure, or specific career opportunities are the priority, O'Fallon, IL makes more sense. Both are solid long-term options with distinct trade-offs.

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