Distance between cities › USA › Wyoming › Shell, WY › Distance from Shell to Harmon Book Hotels

Distance from Shell, WY to Harmon, OK

Distance

1,002 mi

Time

18 hours 3 mins

Gas Cost

$93 - $182

There are 722.69 miles from Shell to Harmon in southeast direction and 1,002 miles (1,612.56 kilometers) by car, following the US-87 route.

Shell and Harmon are 18 hours 3 mins far apart, if you drive non-stop .

This is the fastest route from Shell, WY to Harmon, OK.

Please note the time difference between Shell, WY and Harmon, OK is 1 hour. The current time in Shell is 7:08 pm and the current time in Harmon is 8:08 pm.

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Lowest Price Rental Cars in Shell, WY

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Shell »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 40.25 gallons of gas to cover the route between Shell, WY and Harmon, OK.

The estimated cost of gas to go from Shell to Harmon is $131.30.

During the route, an average car will release 788.58 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 Shell, WY and Harmon, OK

If you want to meet halfway between Shell, WY 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 39.804403 and -104.716532, or 39º 48' 15.8508" N, 104º 42' 59.5152" W. This location is 501.12 miles away from Shell, WY and Harmon, OK and it would take approximately 9 hours 1 min to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is DEN, Co, situated 508 miles from Shell, WY and 505 miles from Harmon, OK. It would take 8 hours 46 mins to go from Shell to DEN and 9 hours 33 mins to go from Harmon to DEN.

Major City Closest to Halfway Point

The major city closest to the halfway point between Shell, WY and Harmon, OK is Denver, CO, situated 502 miles from Shell, WY and 529 miles from Harmon, OK. It would take 8 hours 44 mins to go from Shell to Denver and 9 hours 41 mins to go from Harmon to Denver.