Last update: Oct 2026

Cost of Living Comparison Between O'Fallon, MO and Chiang Mai

For one person, living is cheaper in Chiang Mai: $936 a month against $2,373 in O’Fallon, MO, rent and utilities included – about $17,200 less a year. Rent and utilities account for most of the difference.

114

Cost of Living Index in O'Fallon, MO
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O'Fallon, MO Living Index
45

Cost of Living Index in Chiang Mai
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Chiang Mai Living Index

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O'Fallon, MO

🇺🇸 United States

$2,373

/mo nomad

Chiang Mai

🇹🇭 Thailand

$936

/mo nomad

Monthly Cost of Living

How much you'll spend in O'Fallon, MO and in Chiang Mai

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

A single person spends $2,373 per month in O’Fallon, MO vs $936 in Chiang Mai, rent included.

O'Fallon, MO $2,373
Chiang Mai $936

A couple spends around $3,315 per month in O’Fallon, MO vs $1,457 in Chiang Mai, rent included.

O'Fallon, MO $3,315
Chiang Mai $1,457

A family of three spends $4,256 per month in O’Fallon, MO vs $1,979 in Chiang Mai, rent included.

O'Fallon, MO $4,256
Chiang Mai $1,979

O’Fallon, MO costs about 154% more than Chiang Mai, and outside of rent the biggest gap is in eating out.

O’Fallon, MO sits 74% above the global median, while Chiang Mai is 31% below – they fall on opposite sides of the world average.

Meal at Budget Restaurant

$19.64 $19.64

$2.24 ฿75.5

776.79%

Three-Course Dinner for Two, Mid-Range

$60.9 $60.9

$19.00 ฿640

220.53%

Fast Food Meal (McDonalds, etc)

$9.14 $9.14

$5.55 ฿187

64.68%

Cappuccino

$3.41 $3.41

$1.67 ฿56.4

104.19%

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

$2.27 $2.27

$0.64 ฿21.51

254.69%

Water (0.33 liter bottle)

$1.52 $1.52

$0.31 ฿10.29

390.32%

Local Beer (0.5 liter draught)

$2.57 $2.57

$2.36 ฿79.5

8.90%

Imported Beer (0.33 liter bottle)

$3.40 $3.40

$3.66 ฿123

-7.10%

Milk (1 liter)

$0.97 $0.97

$1.95 ฿65.7

-50.26%

White Bread (500g)

$3.38 $3.38

$1.44 ฿48.41

134.72%

Rice (white) (1kg)

$2.20 $2.20

$1.33 ฿44.97

65.41%

Eggs

$3.08 $3.08

$2.28 ฿77.0

35.09%

Local Cheese (1kg)

$7.19 $7.19

$16.45 ฿554

-56.29%

Chicken Fillets (1kg)

$8.92 $8.92

$2.78 ฿93.8

220.86%

Beef Round Steak (1kg)

$13.32 $13.32

$9.31 ฿314

43.07%

Apples (1kg)

$4.30 $4.30

$2.35 ฿79.3

82.98%

Banana (1kg)

$1.13 $1.13

$0.97 ฿32.75

16.49%

Oranges (1kg)

$3.02 $3.02

$1.60 ฿53.8

88.75%

Tomato (1kg)

$4.33 $4.33

$1.50 ฿50.6

188.67%

Potato (1kg)

$1.67 $1.67

$1.28 ฿43.06

30.47%

Onion (1kg)

$2.33 $2.33

$1.10 ฿37.14

111.82%

Lettuce (1 head)

$1.66 $1.66

$0.71 ฿23.79

133.80%

Water (1.5 liter bottle)

$1.98 $1.98

$0.49 ฿16.34

304.08%

Cigarettes 20 Pack (Marlboro, Camel)

$6.03 $6.03

$4.14 ฿140

45.65%

Wine (Bottle)

$8.37 $8.37

$17.52 ฿590

-52.23%

Local Beer (0.5 liter bottle)

$1.87 $1.87

$1.61 ฿54.4

16.15%

Imported Beer (0.33 liter bottle)

$2.30 $2.30

$2.78 ฿93.8

-17.27%

One-way Ticket (Public Transport)

$0.87 ฿29.27

Public Transport Monthly Pass (Regular Price)

$221 $221

$54.1 ฿1,823

309.17%

Taxi Start (Normal Tariff)

$2.95 $2.95

$1.16 ฿39.00

154.31%

Taxi (Normal Tariff) (1km)

$1.46 $1.46

$0.53 ฿17.78

175.47%

Taxi 1hour Waiting (Normal Tariff)

$36.06 $36.06

$2.42 ฿81.6

1390.08%

Gasoline (1 liter)

$1.01 $1.01

$1.45 ฿48.82

-30.34%

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

$24.1K $24.1K

$21.1K ฿709.7K

14.49%

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

$23.9K $23.9K

$26.9K ฿907.9K

-11.28%

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

$127 $127

$62.2 ฿2,095

104.39%

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

$59.8 $59.8

$12.17 ฿410

391.62%

Internet (50+ Mbps, Unlimited Data)

$70.2 $70.2

$20.12 ฿678

249.11%

Gym Membership (Monthly)

$37.31 ฿1,257

Tennis Court (1 Hour on Weekend)

$3.77 ฿127

Cinema Ticket

$10.36 $10.36

$6.49 ฿219

59.63%

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

$776 $776

$736 ฿24.8K

5.44%

International Primary School, 1 Child (Yearly)

$19.9K $19.9K

$14.8K ฿497.6K

34.50%

Jeans (Levis 501 Or Similar)

$54.3 $54.3

$53.4 ฿1,799

1.82%

Summer Dress (H&M, Zara, etc)

$37.23 $37.23

$24.64 ฿830

51.10%

Sport Shoes (Adidas, Nike)

$78.1 $78.1

$91.5 ฿3,083

-14.64%

Men's Leather Business Shoes

$69.5 $69.5

$71.9 ฿2,424

-3.46%

1-bedroom Apartment, City Center (Monthly)

$1,177 $1,177

$482 ฿16.3K

143.96%

1-bedroom Apartment, Outside City Center (Monthly)

$1,192 $1,192

$309 ฿10.4K

285.94%

3-bedroom Apartment, City Center (Monthly)

$1,707 $1,707

$1,006 ฿33.9K

69.65%

3-bedroom Apartment, Outside City Center (Monthly)

$1,653 $1,653

$633 ฿21.3K

160.96%

Buy Apartment in City Center (m2)

$1,543 $1,543

$2,363 ฿79.6K

-34.71%

Buy Apartment Outside City Center (m2)

$1,592 $1,592

$1,589 ฿53.6K

0.21%

Average Monthly Net Salary (After Tax)

$5,024 $5,024

$590 ฿19.9K

751.86%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.25

5.57

12.21%

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

Last update for O'Fallon, MO: October 27, 2026

Last update for Chiang Mai: October 26, 2026

Monthly budget structure

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

Accommodation & Living

O'Fallon, MO

$1.2K 50.2%

Chiang Mai

$309 33% 74.1% $883

Groceries & Markets

O'Fallon, MO

$304 12.8%

Chiang Mai

$234 25.1% 22.8% $69

Eating Out

O'Fallon, MO

$260 11%

Chiang Mai

$78 8.3% 70.2% $183

Monthly Utilities & Internet

O'Fallon, MO

$257 10.8%

Chiang Mai

$94 10.1% 63.3% $163

Getting Around

O'Fallon, MO

$232 * 9.8%

Chiang Mai

$61 6.6% 73.5% $170

Clothing & Footwear

O'Fallon, MO

$108 4.5%

Chiang Mai

$109 11.6% 1% $1

Sport & Entertainment

O'Fallon, MO

$21 * 0.9%

Chiang Mai

$50 5.4% 143% $30

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

Cost Breakdown

A central one-bedroom costs $1,177 in O’Fallon, MO versus $482 in Chiang Mai. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.

Salaries in O’Fallon, MO are about 8.5 times higher. Purchasing power depends on which expenses matter most to you.

A mid-range dinner for two costs $61 in O’Fallon, MO versus $19 in Chiang Mai. Monthly groceries follow the same trend: $304 vs $234 – making Chiang Mai the more affordable choice for daily food spending.

Good to know

🇺🇸 O'Fallon, MO

🇹🇭 Chiang Mai

🕒 Local time

23:27 11:27 PM

12:27 12:27 PM

13 h ahead of O'Fallon, MO

🌤 Weather

👥 Population

94,074

127,240

💱 Currency

United States Dollar USD $

Thai Baht THB ฿

📈 Exchange rate

1 USD = 0.892 EUR

100 THB = 2.97 USD

100 THB = 2.65 EUR

Exchange rates and currency converter

THB, EUR to USD – United States Dollar Converter

🇹🇭 Thai Baht (฿)

🇺🇸 United States Dollar ($)

United States Dollar exchange rates as of November 3, 2026: 1 EUR = 1.12 USD (1 USD = 0.892 EUR).

Thai Baht exchange rates as of November 3, 2026: 1 USD = 33.7 THB (100 THB = 2.97 USD). 1 EUR = 37.77 THB (100 THB = 2.65 EUR).

THB to USD in detail →

On the map

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O'Fallon, MO Chiang Mai 13,530 km ≈ 17 h nonstop flight

From you

O'Fallon, MO
Chiang Mai

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, MO vs Chiang Mai: Cost of Living - Frequently Asked Questions

O’Fallon, MO costs about 154% more than Chiang Mai, and outside of rent the gap comes mainly from eating out. That’s enough to noticeably affect everyday spending and lifestyle for anyone choosing between the two.

For a comfortable life, plan on about $3,560 per month in O’Fallon, MO and $1,403 in Chiang Mai. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.

Rent is clearly cheaper in Chiang Mai, especially for central apartments: a one-bedroom in the center costs $482 there versus $1,177 in O’Fallon, MO.

Kindergarten costs $776 per month in O’Fallon, MO and $736 in Chiang Mai. For families with young kids, this one expense can tip the scales when choosing between the two cities.

Groceries cost about 30% more in O’Fallon, MO, though the gap depends on what you buy.

$800 is a stretch for both – monthly costs hit $2,373 in O’Fallon, MO and $936 in Chiang Mai. You’ll need shared housing and careful budgeting no matter which city you pick.

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

If budget matters most, go with Chiang Mai. If higher salaries or specific career opportunities are the priority, O’Fallon, MO makes more sense. Both are solid long-term options with distinct trade-offs.