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How far is Houston, TX, from Portland, ME?

The distance between Portland (Portland International Jetport) and Houston (Houston George Bush Intercontinental Airport) is 1667 miles / 2682 kilometers / 1448 nautical miles.

The driving distance from Portland (PWM) to Houston (IAH) is 1919 miles / 3088 kilometers, and travel time by car is about 36 hours 29 minutes.

Portland International Jetport – Houston George Bush Intercontinental Airport

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1667
Miles
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2682
Kilometers
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1448
Nautical miles

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Distance from Portland to Houston

There are several ways to calculate the distance from Portland to Houston. Here are two standard methods:

Vincenty's formula (applied above)
  • 1666.709 miles
  • 2682.308 kilometers
  • 1448.330 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1665.143 miles
  • 2679.788 kilometers
  • 1446.970 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Portland to Houston?

The estimated flight time from Portland International Jetport to Houston George Bush Intercontinental Airport is 3 hours and 39 minutes.

Flight carbon footprint between Portland International Jetport (PWM) and Houston George Bush Intercontinental Airport (IAH)

On average, flying from Portland to Houston generates about 190 kg of CO2 per passenger, and 190 kilograms equals 420 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to Houston

See the map of the shortest flight path between Portland International Jetport (PWM) and Houston George Bush Intercontinental Airport (IAH).

Airport information

Origin Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W
Destination Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W