How far is International Falls, MN, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and International Falls (Falls International Airport) is 1149 miles / 1850 kilometers / 999 nautical miles.
The driving distance from Portsmouth (PSM) to International Falls (INL) is 1580 miles / 2542 kilometers, and travel time by car is about 31 hours 23 minutes.
Portsmouth International Airport at Pease – Falls International Airport
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Distance from Portsmouth to International Falls
There are several ways to calculate the distance from Portsmouth to International Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1149.228 miles
- 1849.504 kilometers
- 998.652 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- 1146.378 miles
- 1844.916 kilometers
- 996.175 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 International Falls?
The estimated flight time from Portsmouth International Airport at Pease to Falls International Airport is 2 hours and 40 minutes.
What is the time difference between Portsmouth and International Falls?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Falls International Airport (INL)
On average, flying from Portsmouth to International Falls generates about 159 kg of CO2 per passenger, and 159 kilograms equals 351 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 International Falls
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Falls International Airport (INL).
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 | Falls International Airport |
|---|---|
| City: | International Falls, MN |
| Country: | United States |
| IATA Code: | INL |
| ICAO Code: | KINL |
| Coordinates: | 48°33′58″N, 93°24′11″W |