Distance between cities › USA › Texas › La Mesa, TX › Distance from La Mesa to Harmon Book Hotels

Distance from La Mesa, TX to Harmon, OK

Distance

336 mi

Time

5 hours 55 mins

Gas Cost

$31 - $60

There are 271.96 miles from La Mesa to Harmon in northeast direction and 336 miles (540.74 kilometers) by car, following the I-27 and US-87 route.

La Mesa and Harmon are 5 hours 55 mins far apart, if you drive non-stop .

This is the fastest route from La Mesa, TX to Harmon, OK.

La Mesa, TX and Harmon, OK are in the same time zone (CDT). Current time in both locations is 9:15 pm.

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Lowest Price Rental Cars in La Mesa, TX

Planning on renting a car to go from La Mesa, TX to Harmon, OK? Here there are some offers to rent a car in La Mesa, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in La Mesa »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 13.51 gallons of gas to cover the route between La Mesa, TX and Harmon, OK.

The estimated cost of gas to go from La Mesa to Harmon is $43.28.

During the route, an average car will release 264.67 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between La Mesa, TX and Harmon, OK

If you want to meet halfway between La Mesa, TX 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 35.173702 and -101.859137, or 35º 10' 25.3272" N, 101º 51' 32.8932" W. This location is 168.19 miles away from La Mesa, TX and Harmon, OK and it would take approximately 2 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest and also the major city is Amarillo, TX, situated 183.79 miles from La Mesa, TX and 152.35 miles from Harmon, OK. It would take 3 hours 10 mins to go from La Mesa to Amarillo and 2 hours 46 mins to go from Harmon to Amarillo.