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

Distance from Melstone, MT to Harmon, OK

Distance

1,134 mi

Time

20 hours 12 mins

Gas Cost

$106 - $206

There are 839.98 miles from Melstone to Harmon in southeast direction and 1,134 miles (1,825.00 kilometers) by car, following the US-87 route.

Melstone and Harmon are 20 hours 12 mins far apart, if you drive non-stop .

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

Please note the time difference between Melstone, MT and Harmon, OK is 1 hour. The current time in Melstone is 9:09 am and the current time in Harmon is 10:09 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Melstone, MT to Harmon, OK:

Lowest Price Rental Cars in Melstone, MT

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Melstone »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 45.56 gallons of gas to cover the route between Melstone, MT and Harmon, OK.

The estimated cost of gas to go from Melstone to Harmon is $148.61.

During the route, an average car will release 892.59 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 Melstone, MT and Harmon, OK

If you want to meet halfway between Melstone, 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 40.770008 and -104.989417, or 40º 46' 12.0288" N, 104º 59' 21.9012" W. This location is 567.21 miles away from Melstone, MT and Harmon, OK and it would take approximately 10 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wellington, CO, situated 567 miles from Melstone, MT and 569 miles from Harmon, OK. It would take 9 hours 39 mins to go from Melstone to Wellington and 10 hours 36 mins to go from Harmon to Wellington.

Major City Closest to Halfway Point

The major city closest to the halfway point between Melstone, MT and Harmon, OK is Fort Collins, CO, situated 579 miles from Melstone, MT and 564 miles from Harmon, OK. It would take 9 hours 56 mins to go from Melstone to Fort Collins and 10 hours 35 mins to go from Harmon to Fort Collins.