How far is Great Falls, MT, from Guantánamo?

The distance between Guantánamo (Mariana Grajales Airport) and Great Falls (Great Falls International Airport) is 2769 miles / 4456 kilometers / 2406 nautical miles.

Distance from Guantánamo to Great Falls

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

Vincenty's formula (applied above)

• 2768.769 miles
• 4455.902 kilometers
• 2405.994 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

• 2768.733 miles
• 4455.843 kilometers
• 2405.963 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 Guantánamo to Great Falls?

The estimated flight time from Mariana Grajales Airport to Great Falls International Airport is 5 hours and 44 minutes.

What is the time difference between Guantánamo and Great Falls?

The time difference between Guantánamo and Great Falls is 2 hours. Great Falls is 2 hours behind Guantánamo.

Flight carbon footprint between Mariana Grajales Airport (GAO) and Great Falls International Airport (GTF)

On average, flying from Guantánamo to Great Falls generates about 307 kg of CO2 per passenger, and 307 kilograms equals 676 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Guantánamo to Great Falls

See the map of the shortest flight path between Mariana Grajales Airport (GAO) and Great Falls International Airport (GTF).

Airport information

Origin	Mariana Grajales Airport
City:	Guantánamo
Country:	Cuba
IATA Code:	GAO
ICAO Code:	MUGT
Coordinates:	20°5′7″N, 75°9′29″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