Distance between cities › USA › Texas › San Leon, TX › Distance from San Leon to Onalaska Book Hotels

Distance from San Leon, TX to Onalaska, TX

Distance

122 mi

Time

2 hours 24 mins

Gas Cost

$11 - $22

There are 92.10 miles from San Leon to Onalaska in north direction and 122 miles (196.34 kilometers) by car, following the I-69 and US-59 route.

San Leon and Onalaska are 2 hours 24 mins far apart, if you drive non-stop .

This is the fastest route from San Leon, TX to Onalaska, TX. The halfway point is Porter, TX.

San Leon, TX and Onalaska, TX are in the same time zone (CDT). Current time in both locations is 1:00 pm.

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Lowest Price Rental Cars in San Leon, TX

Planning on renting a car to go from San Leon, TX to Onalaska, TX? Here there are some offers to rent a car in San Leon, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in San Leon »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 4.89 gallons of gas to cover the route between San Leon, TX and Onalaska, TX.

The estimated cost of gas to go from San Leon to Onalaska is $15.69.

During the route, an average car will release 95.86 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 San Leon, TX and Onalaska, TX

If you want to meet halfway between San Leon, 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 30.097664 and -95.239861, or 30º 5' 51.5904" N, 95º 14' 23.4996" W. This location is 60.92 miles away from San Leon, TX and Onalaska, TX and it would take approximately 1 hour 12 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Porter, TX, situated 61 miles from San Leon, TX and 60 miles from Onalaska, TX. It would take 1 hour 11 mins to go from San Leon to Porter and 1 hour 2 mins to go from Onalaska to Porter.

Major City Closest to Halfway Point

The major city closest to the halfway point between San Leon, TX and Onalaska, TX is The Woodlands, TX, situated 69 miles from San Leon, TX and 67 miles from Onalaska, TX. It would take 1 hour 21 mins to go from San Leon to and 1 hour 18 mins to go from Onalaska to The Woodlands.