Air Miles Calculator logo

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

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

The driving distance from Houston (IAH) to Portland (PWM) is 1916 miles / 3083 kilometers, and travel time by car is about 36 hours 25 minutes.

Houston George Bush Intercontinental Airport – Portland International Jetport

Distance arrow
1667
Miles
Distance arrow
2682
Kilometers
Distance arrow
1448
Nautical miles

Search flights

Distance from Houston to Portland

There are several ways to calculate the distance from Houston to Portland. 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 Houston to Portland?

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

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

On average, flying from Houston to Portland 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 Houston to Portland

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

Airport information

Origin 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
Destination 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