How far is Great Falls, MT, from London?

The distance between London (London Gatwick Airport) and Great Falls (Great Falls International Airport) is 4512 miles / 7262 kilometers / 3921 nautical miles.

Distance from London to Great Falls

There are several ways to calculate the distance from London to Great Falls. Here are two standard methods:

Vincenty's formula (applied above)

• 4512.414 miles
• 7262.026 kilometers
• 3921.181 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

• 4498.894 miles
• 7240.269 kilometers
• 3909.432 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 London to Great Falls?

The estimated flight time from London Gatwick Airport to Great Falls International Airport is 9 hours and 2 minutes.

What is the time difference between London and Great Falls?

The time difference between London and Great Falls is 7 hours. Great Falls is 7 hours behind London.

Flight carbon footprint between London Gatwick Airport (LGW) and Great Falls International Airport (GTF)

On average, flying from London to Great Falls generates about 521 kg of CO2 per passenger, and 521 kilograms equals 1 149 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from London to Great Falls

See the map of the shortest flight path between London Gatwick Airport (LGW) and Great Falls International Airport (GTF).

Airport information

Origin	London Gatwick Airport
City:	London
Country:	United Kingdom
IATA Code:	LGW
ICAO Code:	EGKK
Coordinates:	51°8′53″N, 0°11′25″W

Destination	Great Falls International Airport
City:	Great Falls, MT
Country:	United States
IATA Code:	GTF
ICAO Code:	KGTF
Coordinates:	47°28′55″N, 111°22′15″W