How far is Portsmouth, NH, from Grand Forks, ND?
The distance between Grand Forks (Grand Forks International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1316 miles / 2118 kilometers / 1143 nautical miles.
The driving distance from Grand Forks (GFK) to Portsmouth (PSM) is 1671 miles / 2690 kilometers, and travel time by car is about 32 hours 36 minutes.
Grand Forks International Airport – Portsmouth International Airport at Pease
Search flights
Distance from Grand Forks to Portsmouth
There are several ways to calculate the distance from Grand Forks to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 1315.867 miles
- 2117.683 kilometers
- 1143.458 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- 1312.443 miles
- 2112.172 kilometers
- 1140.482 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 Grand Forks to Portsmouth?
The estimated flight time from Grand Forks International Airport to Portsmouth International Airport at Pease is 2 hours and 59 minutes.
What is the time difference between Grand Forks and Portsmouth?
Flight carbon footprint between Grand Forks International Airport (GFK) and Portsmouth International Airport at Pease (PSM)
On average, flying from Grand Forks to Portsmouth generates about 168 kg of CO2 per passenger, and 168 kilograms equals 370 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Grand Forks to Portsmouth
See the map of the shortest flight path between Grand Forks International Airport (GFK) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Grand Forks International Airport |
|---|---|
| City: | Grand Forks, ND |
| Country: | United States  |
| IATA Code: | GFK |
| ICAO Code: | KGFK |
| Coordinates: | 47°56′57″N, 97°10′33″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 |