Distance between cities › USA › Montana › Pray, MT › Distance from Pray to Harmon Book Hotels

Distance from Pray, MT to Harmon, OK

Distance

1,189 mi

Time

20 hours 50 mins

Gas Cost

$111 - $216

There are 862.03 miles from Pray to Harmon in southeast direction and 1,189 miles (1,913.51 kilometers) by car, following the US-87 route.

Pray and Harmon are 20 hours 50 mins far apart, if you drive non-stop .

This is the fastest route from Pray, MT to Harmon, OK.

Please note the time difference between Pray, MT and Harmon, OK is 1 hour. The current time in Pray is 4:36 am and the current time in Harmon is 5:36 am.

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Lowest Price Rental Cars in Pray, MT

Planning on renting a car to go from Pray, MT to Harmon, OK? Here there are some offers to rent a car in Pray, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Pray »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 47.76 gallons of gas to cover the route between Pray, MT and Harmon, OK.

The estimated cost of gas to go from Pray to Harmon is $155.81.

During the route, an average car will release 935.81 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 Pray, MT and Harmon, OK

If you want to meet halfway between Pray, MT 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 41.304512 and -104.855666, or 41º 18' 16.2432" N, 104º 51' 20.3976" W. This location is 594.67 miles away from Pray, MT and Harmon, OK and it would take approximately 10 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Cheyenne, WY, situated 590 miles from Pray, MT and 602 miles from Harmon, OK. It would take 9 hours 44 mins to go from Pray to Cheyenne and 11 hours 10 mins to go from Harmon to Cheyenne.