Distance between cities › USA › Illinois › McCook, IL › Distance from McCook to Harmon Book Hotels

Distance from McCook, IL to Harmon, OK

Distance

890 mi

Time

16 hours 40 mins

Gas Cost

$83 - $161

There are 740.01 miles from McCook to Harmon in southwest direction and 890 miles (1,432.32 kilometers) by car, following the I-44 and US-50 route.

McCook and Harmon are 16 hours 40 mins far apart, if you drive non-stop .

This is the fastest route from McCook, IL to Harmon, OK.

McCook, IL and Harmon, OK are in the same time zone (CDT). Current time in both locations is 1:08 pm.

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Lowest Price Rental Cars in McCook, IL

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in McCook »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 35.76 gallons of gas to cover the route between McCook, IL and Harmon, OK.

The estimated cost of gas to go from McCook to Harmon is $116.65.

During the route, an average car will release 700.61 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 McCook, IL and Harmon, OK

If you want to meet halfway between McCook, IL 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 37.55881 and -92.789983, or 37º 33' 31.716" N, 92º 47' 23.9388" W. This location is 445.21 miles away from McCook, IL and Harmon, OK and it would take approximately 8 hours 20 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Phillipsburg, MO, situated 456 miles from McCook, IL and 435 miles from Harmon, OK. It would take 8 hours 29 mins to go from McCook to Phillipsburg and 8 hours 13 mins to go from Harmon to Phillipsburg.