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

Distance from Lakeside, TX to Harmon, OK

Distance

318 mi

Time

6 hours 21 mins

Gas Cost

$30 - $58

There are 257.97 miles from Lakeside to Harmon in northwest direction and 318 miles (511.77 kilometers) by car, following the US-281 and TX 114 route.

Lakeside and Harmon are 6 hours 21 mins far apart, if you drive non-stop .

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

Lakeside, TX and Harmon, OK are in the same time zone (CDT). Current time in both locations is 8:24 am.

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Lowest Price Rental Cars in Lakeside, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Lakeside »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 12.77 gallons of gas to cover the route between Lakeside, TX and Harmon, OK.

The estimated cost of gas to go from Lakeside to Harmon is $41.64.

During the route, an average car will release 250.10 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 Lakeside, TX and Harmon, OK

If you want to meet halfway between Lakeside, 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 34.141498 and -99.198036, or 34º 8' 29.3928" N, 99º 11' 52.9296" W. This location is 158.93 miles away from Lakeside, TX and Harmon, OK and it would take approximately 3 hours 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Oklaunion, TX, situated 151 miles from Lakeside, TX and 168 miles from Harmon, OK. It would take 2 hours 51 mins to go from Lakeside to Oklaunion and 3 hours 32 mins to go from Harmon to Oklaunion.