Last update: Oct 2026

Cost of Living Comparison Between O'Fallon, IL and Da Nang

For one person, living is cheaper in Da Nang: $895 a month against $2,634 in O’Fallon, IL, rent and utilities included – about $20,900 less a year. Rent and utilities account for most of the difference.

126

Cost of Living Index in O'Fallon, IL
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O'Fallon, IL Living Index
43

Cost of Living Index in Da Nang
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Da Nang Living Index

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O'Fallon, IL

🇺🇸 United States

$2,634

/mo nomad

Da Nang

🇻🇳 Vietnam

$895

/mo nomad

Monthly Cost of Living

How much you'll spend in O'Fallon, IL and in Da Nang

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 Da Nang actually costs, broken down by who's living it.

A single person spends $2,634 per month in O’Fallon, IL vs $895 in Da Nang, rent included.

O'Fallon, IL $2,634
Da Nang $895

A couple spends around $3,832 per month in O’Fallon, IL vs $1,447 in Da Nang, rent included.

O'Fallon, IL $3,832
Da Nang $1,447

A family of three spends $5,029 per month in O’Fallon, IL vs $1,998 in Da Nang, rent included.

O'Fallon, IL $5,029
Da Nang $1,998

O’Fallon, IL costs about 194% more than Da Nang, and outside of rent the biggest gap is in groceries.

O’Fallon, IL sits 95% above the global median, while Da Nang is 34% below – they fall on opposite sides of the world average.

Meal at Budget Restaurant

$18.05 $18.05

$2.26 ₫58.3K

698.67%

Three-Course Dinner for Two, Mid-Range

$76.5 $76.5

$19.09 ₫491.7K

300.52%

Fast Food Meal (McDonalds, etc)

$10.51 $10.51

$4.56 ₫117.5K

130.48%

Cappuccino

$4.97 $4.97

$1.63 ₫42.1K

204.91%

Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)

$2.39 $2.39

$0.61 ₫15.7K

291.80%

Water (0.33 liter bottle)

$1.58 $1.58

$0.33 ₫8,403

378.79%

Local Beer (0.5 liter draught)

$3.82 $3.82

$1.34 ₫34.5K

185.07%

Imported Beer (0.33 liter bottle)

$5.23 $5.23

$2.26 ₫58.3K

131.42%

Milk (1 liter)

$1.01 $1.01

$1.56 ₫40.3K

-35.26%

White Bread (500g)

$3.32 $3.32

$1.30 ₫33.5K

155.38%

Rice (white) (1kg)

$5.49 $5.49

$1.00 ₫25.7K

449.00%

Eggs

$3.94 $3.94

$1.58 ₫40.8K

149.37%

Local Cheese (1kg)

$12.10 $12.10

$13.14 ₫338.5K

-7.91%

Chicken Fillets (1kg)

$15.68 $15.68

$4.22 ₫108.7K

271.56%

Beef Round Steak (1kg)

$16.84 $16.84

$8.70 ₫224.1K

93.56%

Apples (1kg)

$8.61 $8.61

$2.86 ₫73.7K

201.05%

Banana (1kg)

$2.30 $2.30

$1.23 ₫31.7K

86.99%

Oranges (1kg)

$5.76 $5.76

$1.38 ₫35.6K

317.39%

Tomato (1kg)

$5.15 $5.15

$1.59 ₫41.0K

223.90%

Potato (1kg)

$4.39 $4.39

$1.17 ₫30.0K

275.21%

Onion (1kg)

$3.28 $3.28

$1.25 ₫32.2K

162.40%

Lettuce (1 head)

$2.03 $2.03

$0.96 ₫24.7K

111.46%

Water (1.5 liter bottle)

$2.53 $2.53

$0.51 ₫13.0K

396.08%

Cigarettes 20 Pack (Marlboro, Camel)

$8.20 $8.20

$1.52 ₫39.1K

439.47%

Wine (Bottle)

$14.87 $14.87

$7.55 ₫194.4K

96.95%

Local Beer (0.5 liter bottle)

$2.87 $2.87

$0.94 ₫24.2K

205.32%

Imported Beer (0.33 liter bottle)

$3.25 $3.25

$2.41 ₫62.1K

34.85%

One-way Ticket (Public Transport)

$2.21 $2.21

$0.32 ₫8,303

590.63%

Public Transport Monthly Pass (Regular Price)

$62.3 $62.3

$6.71 ₫172.9K

829.06%

Taxi Start (Normal Tariff)

$2.75 $2.75

$1.02 ₫26.4K

169.61%

Taxi (Normal Tariff) (1km)

$1.57 $1.57

$0.47 ₫12.0K

234.04%

Taxi 1hour Waiting (Normal Tariff)

$29.49 $29.49

$10.48 ₫269.9K

181.39%

Gasoline (1 liter)

$1.05 $1.05

$0.99 ₫25.5K

6.06%

Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)

$27.4K $27.4K

$30.8K ₫793.3M

-11.06%

Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)

$26.6K $26.6K

$28.4K ₫731.5M

-6.48%

Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)

$246 $246

$85.8 ₫2.2M

187.15%

SIM Card Monthly Plan (Calls and 10GB+ Data)

$69.5 $69.5

$6.87 ₫177.0K

911.64%

Internet (50+ Mbps, Unlimited Data)

$75.2 $75.2

$9.20 ₫237.1K

717.72%

Gym Membership (Monthly)

$40.68 $40.68

$27.37 ₫705.0K

48.63%

Tennis Court (1 Hour on Weekend)

$5.50 ₫141.8K

Cinema Ticket

$12.38 $12.38

$3.47 ₫89.3K

256.77%

Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)

$679 $679

$459 ₫11.8M

48.04%

International Primary School, 1 Child (Yearly)

$12.8K $12.8K

$20.2K ₫519.6M

-36.50%

Jeans (Levis 501 Or Similar)

$47.55 $47.55

$41.42 ₫1.1M

14.80%

Summer Dress (H&M, Zara, etc)

$24.73 $24.73

$27.37 ₫705.2K

-9.65%

Sport Shoes (Adidas, Nike)

$57.0 $57.0

$120 ₫3.1M

-52.62%

Men's Leather Business Shoes

$50.1 $50.1

$81.0 ₫2.1M

-38.17%

1-bedroom Apartment, City Center (Monthly)

$1,575 $1,575

$543 ₫14.0M

190.14%

1-bedroom Apartment, Outside City Center (Monthly)

$1,273 $1,273

$359 ₫9.2M

255.05%

3-bedroom Apartment, City Center (Monthly)

$2,557 $2,557

$1,141 ₫29.4M

124.05%

3-bedroom Apartment, Outside City Center (Monthly)

$2,078 $2,078

$830 ₫21.4M

150.33%

Buy Apartment in City Center (m2)

$2,778 $2,778

$3,798 ₫97.8M

-26.87%

Buy Apartment Outside City Center (m2)

$2,338 $2,338

$1,854 ₫47.7M

26.15%

Average Monthly Net Salary (After Tax)

$429 ₫11.0M

20-Year Fixed Mortgage Interest Rate (Annual %)

6.72

10.72

-37.31%

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

Last update for O'Fallon, IL: October 31, 2026

Last update for Da Nang: October 31, 2026

Monthly budget structure

Share of the monthly basket for one person, rent included.

Accommodation & Living

O'Fallon, IL

$1.3K 48.4%

Da Nang

$359 40.1% 71.8% $915

Groceries & Markets

O'Fallon, IL

$461 17.5%

Da Nang

$201 22.5% 56.3% $260

Monthly Utilities & Internet

O'Fallon, IL

$391 14.9%

Da Nang

$102 11.4% 74% $289

Eating Out

O'Fallon, IL

$281 10.7%

Da Nang

$66 7.4% 76.4% $215

Getting Around

O'Fallon, IL

$82 3.1%

Da Nang

$11 1.3% 86.1% $70

Clothing & Footwear

O'Fallon, IL

$81 3.1%

Da Nang

$122 13.6% 50.6% $41

Sport & Entertainment

O'Fallon, IL

$65 2.5%

Da Nang

$34 3.8% 47.6% $31

Cost Breakdown

A central one-bedroom costs $1,575 in O’Fallon, IL versus $543 in Da Nang. 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 $76 in O’Fallon, IL versus $19 in Da Nang. Monthly groceries follow the same trend: $461 vs $201 – making Da Nang the more affordable choice for daily food spending.

Good to know

🇺🇸 O'Fallon, IL

🇻🇳 Da Nang

🕒 Local time

10:42 10:42 AM

23:42 11:42 PM

13 h ahead of O'Fallon, IL

🌤 Weather

👥 Population

94,074

1,245,200

💱 Currency

United States Dollar USD $

Vietnamese Dong VND ₫

📈 Exchange rate

1 USD = 0.892 EUR

100,000 VND = 3.88 USD

100,000 VND = 3.46 EUR

Exchange rates and currency converter

VND, EUR to USD – United States Dollar Converter

🇻🇳 Vietnamese Dong (₫)

🇺🇸 United States Dollar ($)

United States Dollar exchange rates as of November 4, 2026: 1 EUR = 1.12 USD (1 USD = 0.892 EUR).

Vietnamese Dong exchange rates as of November 4, 2026: 1 USD = 25,761 VND (100,000 VND = 3.88 USD). 1 EUR = 28,880 VND (100,000 VND = 3.46 EUR).

VND to USD in detail →

On the map

Lowest

Highest

Between locations

O'Fallon, IL Da Nang 13,650 km ≈ 18 h nonstop flight

From you

O'Fallon, IL
Da Nang

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 Da Nang: Cost of Living - Frequently Asked Questions

Monthly costs with rent: $2,634 in O’Fallon, IL, $895 in Da Nang – Da Nang comes out roughly 66% cheaper. Outside of rent, the biggest gap is in groceries.

For a comfortable life, plan on about $3,951 per month in O’Fallon, IL and $1,343 in Da Nang. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.

Rent is clearly cheaper in Da Nang, especially for central apartments: a one-bedroom in the center costs $543 there versus $1,575 in O’Fallon, IL.

Groceries cost about 129% more in O’Fallon, IL, though the gap depends on what you buy.

A mid-range dinner for two costs $76 in O’Fallon, IL and $19 in Da Nang. That’s a good indicator of the overall restaurant and café pricing gap between the two cities.

A $1,200 monthly budget goes further in Da Nang, where all-in costs run around $895, than in O’Fallon, IL at $2,634. In Da Nang it covers expenses comfortably, while in O’Fallon, IL it requires careful planning or may not stretch far enough.

Families tend to lean toward Da Nang – lower housing and cheaper childcare make a real difference, especially on a single income or when paying for private education.

Both cities have a reputation for safety. In either place, the choice of neighborhood matters more than the choice between the two cities.

For expats, Da Nang is the easier option financially – housing and daily costs are lower, and overall it costs about 66% less, which matters a lot on a fixed budget or early-career salary.