Distance between cities › USA › South Dakota › Custer, SD › Distance from Custer to George Bush Intercontinental Airport Book Hotels

Distance from Custer, SD to IAH Airport

Distance

1,280 mi

Time

23 hours 30 mins

Gas Cost

$117 - $228

Helpful Inaccurate

There are 1,054.38 miles from Custer to George Bush Intercontinental Airport (IAH) in southeast direction and 1,280 miles (2,059.96 kilometers) by car, following the I-45 route.

Custer and IAH Airport are 23 hours 30 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to IAH Airport. The halfway point is Wells, KS.

Please note the time difference between Custer, SD and IAH Airport is 1 hour. The current time in Custer is 7:07 pm and the current time in IAH Airport is 8:07 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to IAH Airport? Here there are some offers to rent a car in Custer, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Custer »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 51.41 gallons of gas to cover the route between Custer, SD and IAH Airport.

The estimated cost of gas to go from Custer to IAH Airport is $164.72.

During the route, an average car will release 1,007.21 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 Custer, SD and IAH Airport

If you want to meet halfway between Custer, SD and IAH Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.165878 and -97.613556, or 39º 9' 57.1608" N, 97º 36' 48.8016" W. This location is 640.05 miles away from Custer, SD and IAH Airport and it would take approximately 11 hours 45 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wells, KS, situated 635 miles from Custer, SD and 719 miles from IAH Airport. It would take 10 hours 53 mins to go from Custer to Wells and 11 hours 27 mins to go from IAH to Wells.

Major Cities Along the Route

Some major cities along the route include The Woodlands, TX,Dallas, TX,Irving, TX,Carrollton, TX,Lewisville, TX,Denton, TX,Wichita, KS, and Oklahoma City, OK.