How far is Great Falls, MT, from London?

The distance between London (London City Airport) and Great Falls (Great Falls International Airport) is 4502 miles / 7245 kilometers / 3912 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)

• 4502.027 miles
• 7245.310 kilometers
• 3912.155 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

• 4488.501 miles
• 7223.542 kilometers
• 3900.401 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 City Airport to Great Falls International Airport is 9 hours and 1 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 City Airport (LCY) and Great Falls International Airport (GTF)

On average, flying from London to Great Falls generates about 520 kg of CO2 per passenger, and 520 kilograms equals 1 146 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 City Airport (LCY) and Great Falls International Airport (GTF).

Airport information

Origin	London City Airport
City:	London
Country:	United Kingdom
IATA Code:	LCY
ICAO Code:	EGLC
Coordinates:	51°30′19″N, 0°3′19″E

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