Distance between cities › USA › Texas › Humble, TX › Distance from Humble to Saint Clair Book Hotels

Distance from Humble, TX to Saint Clair, MO

Distance

750 mi

Time

14 hours 13 mins

Gas Cost

$70 - $136

There are 626.35 miles from Humble to Saint Clair in northeast direction and 750 miles (1,207.01 kilometers) by car, following the I-30 route.

Humble and Saint Clair are 14 hours 13 mins far apart, if you drive non-stop .

This is the fastest route from Humble, TX to Saint Clair, MO. The halfway point is Canadian, OK.

Humble, TX and Saint Clair, MO are in the same time zone (CDT). Current time in both locations is 8:13 pm.

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Lowest Price Rental Cars in Humble, TX

Planning on renting a car to go from Humble, TX to Saint Clair, MO? Here there are some offers to rent a car in Humble, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Humble »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 30.13 gallons of gas to cover the route between Humble, TX and Saint Clair, MO.

The estimated cost of gas to go from Humble to Saint Clair is $98.30.

During the route, an average car will release 590.39 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 Humble, TX and Saint Clair, MO

If you want to meet halfway between Humble, TX and Saint Clair, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.214500 and -95.610832, or 35º 12' 52.2" N, 95º 36' 38.9952" W. This location is 375.17 miles away from Humble, TX and Saint Clair, MO and it would take approximately 7 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Canadian, OK, situated 420 miles from Humble, TX and 391 miles from Saint Clair, MO. It would take 7 hours 12 mins to go from Humble to Canadian and 5 hours 56 mins to go from Saint Clair to Canadian.