Distance between cities › USA › Maryland › McHenry, MD › Distance from McHenry to George Bush Intercontinental Airport Book Hotels

Distance from McHenry, MD to IAH Airport

Distance

1,347 mi

Time

1 day

Gas Cost

$126 - $244

Helpful Inaccurate

There are 1,119.91 miles from McHenry to George Bush Intercontinental Airport (IAH) in southwest direction and 1,347 miles (2,167.79 kilometers) by car, following the I-40 route.

McHenry and IAH Airport are 1 day far apart, if you drive non-stop .

This is the fastest route from McHenry, MD to IAH Airport. The halfway point is Alton, AL.

Please note the time difference between McHenry, MD and IAH Airport is 1 hour. The current time in McHenry is 7:12 am and the current time in IAH Airport is 6:12 am.

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Lowest Price Rental Cars in McHenry, MD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in McHenry »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 54.09 gallons of gas to cover the route between McHenry, MD and IAH Airport.

The estimated cost of gas to go from McHenry to IAH Airport is $176.43.

During the route, an average car will release 1,059.64 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 McHenry, MD and IAH Airport

If you want to meet halfway between McHenry, MD 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 33.564529 and -86.663353, or 33º 33' 52.3044" N, 86º 39' 48.0708" W. This location is 673.36 miles away from McHenry, MD and IAH Airport and it would take approximately 12 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Alton, AL, situated 709 miles from McHenry, MD and 690 miles from IAH Airport. It would take 10 hours 58 mins to go from McHenry to Alton and 10 hours 29 mins to go from IAH to Alton.

Major City Closest to Halfway Point

The major city closest to the halfway point between McHenry, MD and IAH Airport is Birmingham, AL, situated 718 miles from McHenry, MD and 678 miles from IAH Airport. It would take 11 hours 6 mins to go from McHenry to and 10 hours 20 mins to go from IAH to Birmingham.