Distance between cities › USA › Missouri › Versailles, MO › Distance from Versailles to O Fallon Book Hotels

Distance from Versailles, MO to O Fallon, MO

Distance

142 mi

Time

2 hours 52 mins

Gas Cost

$12 - $24

There are 118.52 miles from Versailles to O Fallon in northeast direction and 142 miles (228.53 kilometers) by car, following the I-70 and US-40 route.

Versailles and O Fallon are 2 hours 52 mins far apart, if you drive non-stop .

This is the fastest route from Versailles, MO to O Fallon, MO. The halfway point is Kingdom City, MO.

Versailles, MO and O Fallon, MO are in the same time zone (CDT). Current time in both locations is 6:44 am.

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Lowest Price Rental Cars in Versailles, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Versailles »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 5.68 gallons of gas to cover the route between Versailles, MO and O Fallon, MO.

The estimated cost of gas to go from Versailles to O Fallon is $17.56.

During the route, an average car will release 111.35 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 $3.09 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Versailles, MO and O Fallon, MO

If you want to meet halfway between Versailles, MO and O Fallon, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.941429 and -91.894653, or 38º 56' 29.1444" N, 91º 53' 40.7508" W. This location is 70.76 miles away from Versailles, MO and O Fallon, MO and it would take approximately 1 hour 26 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kingdom City, MO, situated 73 miles from Versailles, MO and 71 miles from O Fallon, MO. It would take 1 hour 17 mins to go from Versailles to Kingdom City and 1 hour 4 mins to go from O Fallon to Kingdom City.