Air Miles Calculator logo

How far is Kalispell, MT, from Castries?

The distance between Castries (George F. L. Charles Airport) and Kalispell (Glacier Park International Airport) is 3833 miles / 6169 kilometers / 3331 nautical miles.

George F. L. Charles Airport – Glacier Park International Airport

Distance arrow
3833
Miles
Distance arrow
6169
Kilometers
Distance arrow
3331
Nautical miles

Search flights

Distance from Castries to Kalispell

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

Vincenty's formula (applied above)
  • 3833.095 miles
  • 6168.768 kilometers
  • 3330.868 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
  • 3832.398 miles
  • 6167.647 kilometers
  • 3330.263 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 Castries to Kalispell?

The estimated flight time from George F. L. Charles Airport to Glacier Park International Airport is 7 hours and 45 minutes.

Flight carbon footprint between George F. L. Charles Airport (SLU) and Glacier Park International Airport (FCA)

On average, flying from Castries to Kalispell generates about 436 kg of CO2 per passenger, and 436 kilograms equals 960 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Castries to Kalispell

See the map of the shortest flight path between George F. L. Charles Airport (SLU) and Glacier Park International Airport (FCA).

Airport information

Origin George F. L. Charles Airport
City: Castries
Country: Saint Lucia Flag of Saint Lucia
IATA Code: SLU
ICAO Code: TLPC
Coordinates: 14°1′12″N, 60°59′34″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