How far is Portsmouth, NH, from Houston, TX?
The distance between Houston (Houston George Bush Intercontinental Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1626 miles / 2617 kilometers / 1413 nautical miles.
The driving distance from Houston (IAH) to Portsmouth (PSM) is 1873 miles / 3014 kilometers, and travel time by car is about 35 hours 45 minutes.
Houston George Bush Intercontinental Airport – Portsmouth International Airport at Pease
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Distance from Houston to Portsmouth
There are several ways to calculate the distance from Houston to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 1626.311 miles
- 2617.294 kilometers
- 1413.226 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- 1624.745 miles
- 2614.774 kilometers
- 1411.865 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 Portsmouth?
The estimated flight time from Houston George Bush Intercontinental Airport to Portsmouth International Airport at Pease is 3 hours and 34 minutes.
What is the time difference between Houston and Portsmouth?
The time difference between Houston and Portsmouth is 1 hour. Portsmouth is 1 hour ahead of Houston.
Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Portsmouth International Airport at Pease (PSM)
On average, flying from Houston to Portsmouth generates about 188 kg of CO2 per passenger, and 188 kilograms equals 414 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 Portsmouth
See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | 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 |
| Destination | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |