How far is Portsmouth, NH, from Kalispell, MT?
The distance between Kalispell (Glacier Park International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2104 miles / 3386 kilometers / 1828 nautical miles.
The driving distance from Kalispell (FCA) to Portsmouth (PSM) is 2538 miles / 4085 kilometers, and travel time by car is about 48 hours 5 minutes.
Glacier Park International Airport – Portsmouth International Airport at Pease
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Distance from Kalispell to Portsmouth
There are several ways to calculate the distance from Kalispell to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 2103.852 miles
- 3385.822 kilometers
- 1828.198 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- 2098.107 miles
- 3376.576 kilometers
- 1823.205 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 Kalispell to Portsmouth?
The estimated flight time from Glacier Park International Airport to Portsmouth International Airport at Pease is 4 hours and 28 minutes.
What is the time difference between Kalispell and Portsmouth?
Flight carbon footprint between Glacier Park International Airport (FCA) and Portsmouth International Airport at Pease (PSM)
On average, flying from Kalispell to Portsmouth generates about 229 kg of CO2 per passenger, and 229 kilograms equals 505 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Kalispell to Portsmouth
See the map of the shortest flight path between Glacier Park International Airport (FCA) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Glacier Park International Airport |
|---|---|
| City: | Kalispell, MT |
| Country: | United States  |
| IATA Code: | FCA |
| ICAO Code: | KGPI |
| Coordinates: | 48°18′37″N, 114°15′21″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 |