Air Miles Calculator

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

Flight distance from Houston to Portland (Houston William P. Hobby Airport – Portland International Jetport) is 1679 miles / 2703 kilometers / 1459 nautical miles. Estimated flight time is 3 hours 40 minutes.

Driving distance from Houston (HOU) to Portland (PWM) is 1940 miles / 3122 kilometers and travel time by car is about 34 hours 26 minutes.

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

Shortest flight path between Houston William P. Hobby Airport (HOU) 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)
  • 1679.410 miles
  • 2702.749 kilometers
  • 1459.368 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
  • 1677.937 miles
  • 2700.379 kilometers
  • 1458.088 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 William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″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 191 kg (422 pounds).

Frequent Flyer Miles Calculator

Houston (HOU) → Portland (PWM).

Distance:
1679
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1679

Round trip?