How far is Houston, TX, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Houston (Houston William P. Hobby Airport) is 1639 miles / 2637 kilometers / 1424 nautical miles.
The driving distance from Portsmouth (PSM) to Houston (HOU) is 1896 miles / 3051 kilometers, and travel time by car is about 35 hours 52 minutes.
Portsmouth International Airport at Pease – Houston William P. Hobby Airport
Search flights
Distance from Portsmouth to Houston
There are several ways to calculate the distance from Portsmouth to Houston. Here are two standard methods:
Vincenty's formula (applied above)- 1638.715 miles
- 2637.257 kilometers
- 1424.005 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- 1637.243 miles
- 2634.887 kilometers
- 1422.725 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 Portsmouth to Houston?
The estimated flight time from Portsmouth International Airport at Pease to Houston William P. Hobby Airport is 3 hours and 36 minutes.
What is the time difference between Portsmouth and Houston?
The time difference between Portsmouth and Houston is 1 hour. Houston is 1 hour behind Portsmouth.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Houston William P. Hobby Airport (HOU)
On average, flying from Portsmouth to Houston generates about 188 kg of CO2 per passenger, and 188 kilograms equals 415 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portsmouth to Houston
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Houston William P. Hobby Airport (HOU).
Airport information
| Origin | 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 |
| Destination | Houston William P. Hobby Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States |
| IATA Code: | HOU |
| ICAO Code: | KHOU |
| Coordinates: | 29°38′43″N, 95°16′44″W |