How far is Houston, TX, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Houston (Houston George Bush Intercontinental Airport) is 1626 miles / 2617 kilometers / 1413 nautical miles.
The driving distance from Portsmouth (PSM) to Houston (IAH) is 1875 miles / 3017 kilometers, and travel time by car is about 35 hours 46 minutes.
Portsmouth International Airport at Pease – Houston George Bush Intercontinental Airport
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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)- 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 Portsmouth to Houston?
The estimated flight time from Portsmouth International Airport at Pease to Houston George Bush Intercontinental Airport is 3 hours and 34 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 George Bush Intercontinental Airport (IAH)
On average, flying from Portsmouth to Houston 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 Portsmouth to Houston
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Houston George Bush Intercontinental Airport (IAH).
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 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 |