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

Distance from La Mesa, TX to Onalaska, TX

Distance

522 mi

Time

9 hours 2 mins

Gas Cost

$48 - $93

There are 422.98 miles from La Mesa to Onalaska in southeast direction and 522 miles (840.08 kilometers) by car, following the I-20 route.

La Mesa and Onalaska are 9 hours 2 mins far apart, if you drive non-stop .

This is the fastest route from La Mesa, TX to Onalaska, TX. The halfway point is Brock, TX.

La Mesa, TX and Onalaska, TX are in the same time zone (CDT). Current time in both locations is 2:15 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 Onalaska, TX? 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 20.97 gallons of gas to cover the route between La Mesa, TX and Onalaska, TX.

The estimated cost of gas to go from La Mesa to Onalaska is $67.23.

During the route, an average car will release 410.83 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 $3.21 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 Onalaska, TX

If you want to meet halfway between La Mesa, TX and Onalaska, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 32.633217 and -98.063507, or 32º 37' 59.5812" N, 98º 3' 48.6252" W. This location is 261.07 miles away from La Mesa, TX and Onalaska, TX and it would take approximately 4 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Brock, TX, situated 266 miles from La Mesa, TX and 268 miles from Onalaska, TX. It would take 4 hours 41 mins to go from La Mesa to Brock and 4 hours 41 mins to go from Onalaska to Brock.