Distance between cities › USA › Illinois › Ruma, IL › Distance from Ruma to Flat River Book Hotels

Distance from Ruma, IL to Flat River, MO

Distance

89 mi

Time

1 hour 46 mins

Gas Cost

$8 - $16

There are 34.44 miles from Ruma to Flat River in southwest direction and 89 miles (143.23 kilometers) by car, following the US-67 route.

Ruma and Flat River are 1 hour 46 mins far apart, if you drive non-stop .

This is the fastest route from Ruma, IL to Flat River, MO.

Ruma, IL and Flat River, MO are in the same time zone (CDT). Current time in both locations is 8:10 am.

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Lowest Price Rental Cars in Ruma, IL

Planning on renting a car to go from Ruma, IL to Flat River, MO? Here there are some offers to rent a car in Ruma, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ruma »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 3.59 gallons of gas to cover the route between Ruma, IL and Flat River, MO.

The estimated cost of gas to go from Ruma to Flat River is $11.70.

During the route, an average car will release 70.30 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 Ruma, IL and Flat River, MO

If you want to meet halfway between Ruma, IL and Flat River, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.423971 and -90.385959, or 38º 25' 26.2956" N, 90º 23' 9.4524" W. This location is 44.67 miles away from Ruma, IL and Flat River, MO and it would take approximately 53 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Arnold, MO, situated 44 miles from Ruma, IL and 48 miles from Flat River, MO. It would take 54 minutes to go from Ruma to Arnold and 57 minutes to go from Flat River to Arnold.