Distance From Malmstrom Air Force Base to Shannon Airport, GFA - SNN Distance

The distance from Malmstrom Air Force Base (GFA) to Shannon Airport (SNN) is 4148 miles or 6675 kilometers or 3602 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 Great Falls ( United States ) to Shannon ( Ireland )?

A one-way nonstop (direct) flight between Great Falls and Shannon takes around 9 hours 32 minutes.

Estimated flight time from Malmstrom Air Force Base, Great Falls, United States to Shannon Airport, Shannon, Ireland is 9 hours 32 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 • GFA - SNN

Kilometers		6675 km
Statute Miles		4148 miles
Nautical Miles		3602 nm
Avg. Time of Flight		9 hours 32 minutes

Malmstrom Air Force Base to Shannon Airport Flight Route Map - GFA to SNN Flight Path

Location of Malmstrom Air Force Base & Shannon Airport is given below.
Click the map to view Great Falls to Shannon nonstop flight path and travel direction.

Click to see flight route on Google Map between Great Falls, United States and Shannon, Ireland. .

Nonstop flight route between Great Falls, United States and Shannon, Ireland.

Time Difference Between the Airports • GFA - SNN

Time difference between Great Falls (United States) and Shannon (Ireland) is 7 Hours.
Shannon time is 7 Hours ahead of Great Falls.

Location	Local Time
Great Falls (United States)	2026-08-08, 05:45:23 MDT
Shannon (Ireland)	2026-08-08, 12:45:23 IST

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

Malmstrom Air Force Base (GFA / KGFA) Great Falls, United States

Destination

Shannon Airport (SNN / EINN) Shannon, Ireland