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

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

The driving distance from Kalispell (FCA) to Petersburg (PSG) is 1381 miles / 2222 kilometers, and travel time by car is about 40 hours 31 minutes.

Glacier Park International Airport – Petersburg James A. Johnson Airport

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977
Miles
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1572
Kilometers
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849
Nautical miles

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Distance from Kalispell to Petersburg

There are several ways to calculate the distance from Kalispell to Petersburg. 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 Kalispell to Petersburg?

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

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

On average, flying from Kalispell to Petersburg 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 Kalispell to Petersburg

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

Airport information

Origin 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
Destination 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