Distance From Great Falls International Airport to London Heathrow Airport, GTF - LHR Distance

The distance from Great Falls International Airport (GTF) to London Heathrow Airport (LHR) is 4475 miles or 7202 kilometers or 3886 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 London ( United Kingdom )?

A one-way nonstop (direct) flight between Great Falls and London takes around 10 hours 17 minutes.

Estimated flight time from Great Falls International Airport, Great Falls, United States to London Heathrow Airport, London, United Kingdom is 10 hours 17 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 • GTF - LHR

Kilometers		7202 km
Statute Miles		4475 miles
Nautical Miles		3886 nm
Avg. Time of Flight		10 hours 17 minutes

Great Falls International Airport to London Heathrow Airport Flight Route Map - GTF to LHR Flight Path

Location of Great Falls International Airport & London Heathrow Airport is given below.
Click the map to view Great Falls to London nonstop flight path and travel direction.

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

Nonstop flight route between Great Falls, United States and London, United Kingdom.

Time Difference Between the Airports • GTF - LHR

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

Location	Local Time
Great Falls (United States)	2025-01-15, 05:00:16 MST
London (United Kingdom)	2025-01-15, 12:00:16 GMT

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

Great Falls International Airport (GTF / KGTF) Great Falls, United States

Destination

London Heathrow Airport (LHR / EGLL) London, United Kingdom