Distance between cities › USA › Texas › Richardson, TX › Distance from Richardson to George Bush Intercontinental Airport Book Hotels

Distance from Richardson, TX to IAH Airport

Distance

245 mi

Time

4 hours 25 mins

Gas Cost

$23 - $44

Helpful Inaccurate

There are 220.25 miles from Richardson to George Bush Intercontinental Airport (IAH) in southeast direction and 245 miles (394.29 kilometers) by car, following the I-45 route.

Richardson and IAH Airport are 4 hours 25 mins far apart, if you drive non-stop .

This is the fastest route from Richardson, TX to IAH Airport. The halfway point is Buffalo, TX.

Richardson, TX and IAH Airport are in the same time zone (CDT). Current time in both locations is 7:53 am.

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Lowest Price Rental Cars in Richardson, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Richardson »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 9.84 gallons of gas to cover the route between Richardson, TX and IAH Airport.

The estimated cost of gas to go from Richardson to IAH Airport is $31.97.

During the route, an average car will release 192.87 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 $3.25 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Richardson, TX and IAH Airport

If you want to meet halfway between Richardson, TX 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 31.436972 and -96.058533, or 31º 26' 13.0992" N, 96º 3' 30.7188" W. This location is 122.56 miles away from Richardson, TX and IAH Airport and it would take approximately 2 hours 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 Buffalo, TX, situated 121 miles from Richardson, TX and 126 miles from IAH Airport. It would take 2 hours 5 mins to go from Richardson to Buffalo and 2 hours 16 mins to go from IAH to Buffalo.