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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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.
What is the time difference between Portland and Houston?
The time difference between Portland and Houston is 1 hour. Houston is 1 hour behind Portland.
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  |
| 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 |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″W |