Air Miles Calculator

Distance between Houston, TX (IAH) and Portland, ME (PWM)

Flight distance from Houston to Portland (Houston George Bush Intercontinental Airport – Portland International Jetport) is 1667 miles / 2682 kilometers / 1448 nautical miles. Estimated flight time is 3 hours 39 minutes.

Driving distance from Houston (IAH) to Portland (PWM) is 1948 miles / 3135 kilometers and travel time by car is about 34 hours 32 minutes.

Map of flight path and driving directions from Houston to Portland.

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Portland International Jetport (PWM).

How far is Portland from Houston?

There are several ways to calculate distances between Houston and Portland. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between Houston and Portland is 1 hour. Portland is 1 hour ahead of Houston.

Time Difference

Houston, TX

 CST

Portland, ME

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 190 kg (420 pounds).

Frequent Flyer Miles Calculator

Houston (IAH) → Portland (PWM).

Distance:
1667
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1667

Round trip?