How far is Portsmouth, NH, from Grand Island, NE?
The distance between Grand Island (Central Nebraska Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1416 miles / 2278 kilometers / 1230 nautical miles.
The driving distance from Grand Island (GRI) to Portsmouth (PSM) is 1647 miles / 2651 kilometers, and travel time by car is about 30 hours 48 minutes.
Central Nebraska Regional Airport – Portsmouth International Airport at Pease
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Distance from Grand Island to Portsmouth
There are several ways to calculate the distance from Grand Island to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 1415.610 miles
- 2278.203 kilometers
- 1230.131 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- 1411.961 miles
- 2272.332 kilometers
- 1226.961 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 Island to Portsmouth?
The estimated flight time from Central Nebraska Regional Airport to Portsmouth International Airport at Pease is 3 hours and 10 minutes.
What is the time difference between Grand Island and Portsmouth?
Flight carbon footprint between Central Nebraska Regional Airport (GRI) and Portsmouth International Airport at Pease (PSM)
On average, flying from Grand Island to Portsmouth generates about 174 kg of CO2 per passenger, and 174 kilograms equals 384 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 Island to Portsmouth
See the map of the shortest flight path between Central Nebraska Regional Airport (GRI) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Central Nebraska Regional Airport |
|---|---|
| City: | Grand Island, NE |
| Country: | United States  |
| IATA Code: | GRI |
| ICAO Code: | KGRI |
| Coordinates: | 40°58′2″N, 98°18′34″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 |