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

Distance from Ruma, IL to Mercer, MO

Distance

324 mi

Time

6 hours 44 mins

Gas Cost

$30 - $59

There are 250.25 miles from Ruma to Mercer in northwest direction and 324 miles (521.43 kilometers) by car, following the US-24 and US-36 and MO 110 route.

Ruma and Mercer are 6 hours 44 mins far apart, if you drive non-stop .

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

Ruma, IL and Mercer, MO are in the same time zone (CDT). Current time in both locations is 11:25 am.

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Lowest Price Rental Cars in Ruma, IL

Planning on renting a car to go from Ruma, IL to Mercer, 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 13.01 gallons of gas to cover the route between Ruma, IL and Mercer, MO.

The estimated cost of gas to go from Ruma to Mercer is $42.44.

During the route, an average car will release 254.88 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 Mercer, MO

If you want to meet halfway between Ruma, IL and Mercer, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.664909 and -91.680632, or 39º 39' 53.6724" N, 91º 40' 50.2752" W. This location is 161.97 miles away from Ruma, IL and Mercer, MO and it would take approximately 3 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Monroe City, MO, situated 170 miles from Ruma, IL and 154 miles from Mercer, MO. It would take 3 hours 27 mins to go from Ruma to Monroe City and 3 hours 20 mins to go from Mercer to Monroe City.