Distance between cities › USA › South Dakota › Revillo, SD › Distance from Revillo to O Fallon Book Hotels

Distance from Revillo, SD to O Fallon, IL

Distance

739 mi

Time

13 hours 37 mins

Gas Cost

$69 - $134

There are 560.55 miles from Revillo to O Fallon in southeast direction and 739 miles (1,189.31 kilometers) by car, following the I-29 route.

Revillo and O Fallon are 13 hours 37 mins far apart, if you drive non-stop .

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

Revillo, SD and O Fallon, IL are in the same time zone (CDT). Current time in both locations is 2:53 am.

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Lowest Price Rental Cars in Revillo, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Revillo »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 29.67 gallons of gas to cover the route between Revillo, SD and O Fallon, IL.

The estimated cost of gas to go from Revillo to O Fallon is $96.77.

During the route, an average car will release 581.22 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Revillo, SD and O Fallon, IL

If you want to meet halfway between Revillo, SD and O Fallon, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.020201 and -95.09472, or 40º 1' 12.7236" N, 95º 5' 40.992" W. This location is 369.34 miles away from Revillo, SD and O Fallon, IL and it would take approximately 6 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is New Point, MO, situated 397 miles from Revillo, SD and 352 miles from O Fallon, IL. It would take 7 hours 11 mins to go from Revillo to New Point and 6 hours 48 mins to go from O Fallon to New Point.