How far is Grand Island, NE, from Portland, ME?
The distance between Portland (Portland International Jetport) and Grand Island (Central Nebraska Regional Airport) is 1439 miles / 2317 kilometers / 1251 nautical miles.
The driving distance from Portland (PWM) to Grand Island (GRI) is 1687 miles / 2715 kilometers, and travel time by car is about 31 hours 23 minutes.
Portland International Jetport – Central Nebraska Regional Airport
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Distance from Portland to Grand Island
There are several ways to calculate the distance from Portland to Grand Island. Here are two standard methods:
Vincenty's formula (applied above)- 1439.460 miles
- 2316.587 kilometers
- 1250.857 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- 1435.758 miles
- 2310.629 kilometers
- 1247.640 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 Portland to Grand Island?
The estimated flight time from Portland International Jetport to Central Nebraska Regional Airport is 3 hours and 13 minutes.
What is the time difference between Portland and Grand Island?
Flight carbon footprint between Portland International Jetport (PWM) and Central Nebraska Regional Airport (GRI)
On average, flying from Portland to Grand Island generates about 176 kg of CO2 per passenger, and 176 kilograms equals 387 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portland to Grand Island
See the map of the shortest flight path between Portland International Jetport (PWM) and Central Nebraska Regional Airport (GRI).
Airport information
| Origin | Portland International Jetport |
|---|---|
| City: | Portland, ME |
| Country: | United States  |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″W |
| Destination | 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 |