Air Miles Calculator logo

How far is Kalispell, MT, from Petersburg, AK?

The distance between Petersburg (Petersburg James A. Johnson Airport) and Kalispell (Glacier Park International Airport) is 977 miles / 1572 kilometers / 849 nautical miles.

The driving distance from Petersburg (PSG) to Kalispell (FCA) is 1381 miles / 2222 kilometers, and travel time by car is about 40 hours 30 minutes.

Petersburg James A. Johnson Airport – Glacier Park International Airport

Distance arrow
977
Miles
Distance arrow
1572
Kilometers
Distance arrow
849
Nautical miles

Search flights

Distance from Petersburg to Kalispell

There are several ways to calculate the distance from Petersburg to Kalispell. Here are two standard methods:

Vincenty's formula (applied above)
  • 977.058 miles
  • 1572.423 kilometers
  • 849.040 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
  • 974.789 miles
  • 1568.771 kilometers
  • 847.069 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 Petersburg to Kalispell?

The estimated flight time from Petersburg James A. Johnson Airport to Glacier Park International Airport is 2 hours and 20 minutes.

Flight carbon footprint between Petersburg James A. Johnson Airport (PSG) and Glacier Park International Airport (FCA)

On average, flying from Petersburg to Kalispell generates about 149 kg of CO2 per passenger, and 149 kilograms equals 329 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Petersburg to Kalispell

See the map of the shortest flight path between Petersburg James A. Johnson Airport (PSG) and Glacier Park International Airport (FCA).

Airport information

Origin Petersburg James A. Johnson Airport
City: Petersburg, AK
Country: United States Flag of United States
IATA Code: PSG
ICAO Code: PAPG
Coordinates: 56°48′6″N, 132°56′42″W
Destination Glacier Park International Airport
City: Kalispell, MT
Country: United States Flag of United States
IATA Code: FCA
ICAO Code: KGPI
Coordinates: 48°18′37″N, 114°15′21″W