Distance between cities › USA › Arkansas › Cotter, AR › Distance from Cotter to Onarga Book Hotels

Distance from Cotter, AR to Onarga, IL

Distance

483 mi

Time

9 hours 30 mins

Gas Cost

$45 - $88

There are 392.64 miles from Cotter to Onarga in northeast direction and 483 miles (777.31 kilometers) by car, following the I-57 route.

Cotter and Onarga are 9 hours 30 mins far apart, if you drive non-stop .

This is the fastest route from Cotter, AR to Onarga, IL.

Cotter, AR and Onarga, IL are in the same time zone (CDT). Current time in both locations is 4:12 am.

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Lowest Price Rental Cars in Cotter, AR

Planning on renting a car to go from Cotter, AR to Onarga, IL? Here there are some offers to rent a car in Cotter, AR

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cotter »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 19.40 gallons of gas to cover the route between Cotter, AR and Onarga, IL.

The estimated cost of gas to go from Cotter to Onarga is $63.28.

During the route, an average car will release 380.06 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 Cotter, AR and Onarga, IL

If you want to meet halfway between Cotter, AR and Onarga, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.538446 and -90.499396, or 38º 32' 18.4056" N, 90º 29' 57.8256" W. This location is 241.52 miles away from Cotter, AR and Onarga, IL and it would take approximately 4 hours 45 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Valley Park, MO, situated 244 miles from Cotter, AR and 241 miles from Onarga, IL. It would take 5 hours 7 mins to go from Cotter to Valley Park and 4 hours 27 mins to go from Onarga to Valley Park.

Major City Closest to Halfway Point

The major city closest to the halfway point between Cotter, AR and Onarga, IL is Saint Louis, MO, situated 263 miles from Cotter, AR and 222 miles from Onarga, IL. It would take 5 hours 31 mins to go from Cotter to Saint Louis and 4 hours 5 mins to go from Onarga to Saint Louis.