How far is Kalispell, MT, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Kalispell (Glacier Park International Airport) is 2104 miles / 3386 kilometers / 1828 nautical miles.
The driving distance from Portsmouth (PSM) to Kalispell (FCA) is 2535 miles / 4079 kilometers, and travel time by car is about 48 hours 5 minutes.
Portsmouth International Airport at Pease – Glacier Park International Airport
Search flights
Distance from Portsmouth to Kalispell
There are several ways to calculate the distance from Portsmouth to Kalispell. 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 Portsmouth to Kalispell?
The estimated flight time from Portsmouth International Airport at Pease to Glacier Park International Airport is 4 hours and 28 minutes.
What is the time difference between Portsmouth and Kalispell?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Glacier Park International Airport (FCA)
On average, flying from Portsmouth to Kalispell 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 Portsmouth to Kalispell
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Glacier Park International Airport (FCA).
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 | 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 |