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

Distance from Mount Vernon, TX to IAH Airport

Distance

261 mi

Time

5 hours 5 mins

Gas Cost

$23 - $45

Helpful Inaccurate

There are 221.10 miles from Mount Vernon to George Bush Intercontinental Airport (IAH) in south direction and 261 miles (420.04 kilometers) by car, following the US-59 route.

Mount Vernon and IAH Airport are 5 hours 5 mins far apart, if you drive non-stop .

This is the fastest route from Mount Vernon, TX to IAH Airport. The halfway point is Nacogdoches, TX.

Mount Vernon, TX and IAH Airport are in the same time zone (CDT). Current time in both locations is 12:02 am.

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Lowest Price Rental Cars in Mount Vernon, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mount Vernon »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 10.50 gallons of gas to cover the route between Mount Vernon, TX and IAH Airport.

The estimated cost of gas to go from Mount Vernon to IAH Airport is $32.85.

During the route, an average car will release 205.70 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 $3.13 per gallon of regular gas. Price last updated on March 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Mount Vernon, TX and IAH Airport

If you want to meet halfway between Mount Vernon, 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 31.663176 and -94.673065, or 31º 39' 47.4336" N, 94º 40' 23.034" W. This location is 130.72 miles away from Mount Vernon, TX and IAH Airport and it would take approximately 2 hours 32 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Nacogdoches, TX, situated 137 miles from Mount Vernon, TX and 127 miles from IAH Airport. It would take 2 hours 36 mins to go from Mount Vernon to Nacogdoches and 2 hours 24 mins to go from IAH to Nacogdoches.