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

Distance from San Leon, TX to Eureka, IL

Distance

992 mi

Time

18 hours 27 mins

Gas Cost

$91 - $177

There are 839.08 miles from San Leon to Eureka in northeast direction and 992 miles (1,596.47 kilometers) by car, following the I-30 route.

San Leon and Eureka are 18 hours 27 mins far apart, if you drive non-stop .

This is the fastest route from San Leon, TX to Eureka, IL.

San Leon, TX and Eureka, IL are in the same time zone (CDT). Current time in both locations is 5:20 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 Eureka, IL? 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 39.84 gallons of gas to cover the route between San Leon, TX and Eureka, IL.

The estimated cost of gas to go from San Leon to Eureka is $127.65.

During the route, an average car will release 780.56 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 San Leon, TX and Eureka, IL

If you want to meet halfway between San Leon, TX and Eureka, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.052361 and -91.940853, or 35º 3' 8.4996" N, 91º 56' 27.0708" W. This location is 496.02 miles away from San Leon, TX and Eureka, IL and it would take approximately 9 hours 13 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ward, AR, situated 498 miles from San Leon, TX and 495 miles from Eureka, IL. It would take 9 hours 15 mins to go from San Leon to Ward and 9 hours 15 mins to go from Eureka to Ward.

Major City Closest to Halfway Point

The major city closest to the halfway point between San Leon, TX and Eureka, IL is Little Rock, AR, situated 470 miles from San Leon, TX and 525 miles from Eureka, IL. It would take 8 hours 46 mins to go from San Leon to Little Rock and 9 hours 50 mins to go from Eureka to Little Rock.