Distance From Glacier Park International Airport to South Big Horn County Airport, FCA - GEY Distance

The distance from Glacier Park International Airport (FCA) to South Big Horn County Airport (GEY) is 394 miles or 634 kilometers or 342 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Kalispell ( United States ) to Greybull ( United States )?

A one-way nonstop (direct) flight between Kalispell and Greybull takes around 0 hours 54 minutes.

Estimated flight time from Glacier Park International Airport, Kalispell, United States to South Big Horn County Airport, Greybull, United States is 0 hours 54 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • FCA - GEY

Kilometers		634 km
Statute Miles		394 miles
Nautical Miles		342 nm
Avg. Time of Flight		0 hours 54 minutes

Glacier Park International Airport to South Big Horn County Airport Flight Route Map - FCA to GEY Flight Path

Location of Glacier Park International Airport & South Big Horn County Airport is given below.
Click the map to view Kalispell to Greybull nonstop flight path and travel direction.

Click to see flight route on Google Map between Kalispell, United States and Greybull, United States. .

Nonstop flight route between Kalispell, United States and Greybull, United States.

Time Difference Between the Airports • FCA - GEY

Time difference between Kalispell (United States) and Greybull (United States) is 1 Hours.
Greybull time is 1 Hours ahead of Kalispell.

Location	Local Time
Kalispell (United States)	2026-03-11, 03:45:11 MDT
Greybull (United States)	2026-03-11, 04:45:11 CDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Glacier Park International Airport (FCA / KGPI) Kalispell, United States

Destination

South Big Horn County Airport (GEY / KGEY) Greybull, United States