Distance From O Fallon, IL To Belleville, IL

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Distance between cities › USA › Illinois › O Fallon, IL › Distance from O Fallon to Belleville Book Hotels

Distance from O Fallon, IL to Belleville, IL

Distance

8 mi

Time

14 minutes

Gas Cost

$1

Helpful Inaccurate

There are 6.36 miles from O Fallon to Belleville in southwest direction and 8 miles (12.87 kilometers) by car, following the Lebanon Avenue route.

O Fallon and Belleville are 14 minutes far apart, if you drive non-stop .

This is the fastest route from O Fallon, IL to Belleville, IL.

O Fallon, IL and Belleville, IL are in the same time zone (CDT). Current time in both locations is 6:37 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from O Fallon, IL to Belleville, IL:

Lowest Price Rental Cars in O Fallon, IL

Planning on renting a car to go from O Fallon, IL to Belleville, IL? Here there are some offers to rent a car in O Fallon, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in O Fallon »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.33 gallons of gas to cover the route between O Fallon, IL and Belleville, IL.

The estimated cost of gas to go from O Fallon to Belleville is $0.95.

During the route, an average car will release 6.40 pounds of CO2 to the atmosphere. The carbon footprint would be 0.79 pounds of CO2 per mile.

• Average USA gas price used for calculation is $2.89 per gallon of regular gas. Price last updated on January 6, 2026.
• Read more about our CO2 calculation.

Best Hotels In or Near Belleville, IL

Do you have where to stay when you arrive to Belleville, IL? Check out our hotel recommendations:

Halfway Point Between O Fallon, IL and Belleville, IL

If you want to meet halfway between O Fallon, IL and Belleville, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.547974 and -89.924019, or 38º 32' 52.7064" N, 89º 55' 26.4684" W. This location is 4.07 miles away from O Fallon, IL and Belleville, IL and it would take approximately 7 minutes to reach the halfway point from both locations.

Weather in O Fallon and Belleville

Compare the weather today and the next four days in O Fallon, IL and Belleville, IL:

O Fallon

MonNov 30	MonNov 30	MonNov 30	MonNov 30	MonNov 30
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0	0	0	0	0

Belleville

MonNov 30	MonNov 30	MonNov 30	MonNov 30	MonNov 30
0° 0°	0° 0°	0° 0°	0° 0°	0° 0°
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Distance conversions

Checkout the distance in miles, kilometers and nautical miles between O Fallon, IL and Belleville, IL in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	6.36 mi	10.23 km	5.53 nautical mi
Driving distance	8 mi	13.09 km	7.07 nautical mi

Distances to cities nearby O Fallon or Belleville

From O Fallon

Collinsville, IL6.7 mi, heading northwestCaseyville, IL6.9 mi, heading northwestAlorton, IL11.3 mi, heading west

From Belleville

Caseyville, IL8.4 mi, heading northwestCentreville, IL8.8 mi, heading northwestAlorton, IL8.8 mi, heading northwestCollinsville, IL10.4 mi, heading north

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