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

Distance from Cotter, AR to Harmon, OK

Distance

432 mi

Time

8 hours 44 mins

Gas Cost

$40 - $78

There are 391.65 miles from Cotter to Harmon in west direction and 432 miles (695.24 kilometers) by car, following the US-412 route.

Cotter and Harmon are 8 hours 44 mins far apart, if you drive non-stop .

This is the fastest route from Cotter, AR to Harmon, OK.

Cotter, AR and Harmon, OK are in the same time zone (CDT). Current time in both locations is 5:29 am.

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Lowest Price Rental Cars in Cotter, AR

Planning on renting a car to go from Cotter, AR to Harmon, OK? 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 17.36 gallons of gas to cover the route between Cotter, AR and Harmon, OK.

The estimated cost of gas to go from Cotter to Harmon is $56.63.

During the route, an average car will release 340.13 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 Harmon, OK

If you want to meet halfway between Cotter, AR and Harmon, OK or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.160493 and -95.983736, or 36º 9' 37.7748" N, 95º 59' 1.4496" W. This location is 216.14 miles away from Cotter, AR and Harmon, OK and it would take approximately 4 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest and also the major city is Tulsa, OK, situated 218.22 miles from Cotter, AR and 214.76 miles from Harmon, OK. It would take 4 hours 27 mins to go from Cotter to Tulsa and 4 hours 20 mins to go from Harmon to Tulsa.