How far is Helena, MT, from Guantánamo?

The distance between Guantánamo (Mariana Grajales Airport) and Helena (Helena Regional Airport) is 2764 miles / 4448 kilometers / 2402 nautical miles.

Distance from Guantánamo to Helena

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

Vincenty's formula (applied above)

• 2764.103 miles
• 4448.392 kilometers
• 2401.940 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

• 2763.837 miles
• 4447.964 kilometers
• 2401.709 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 Helena?

The estimated flight time from Mariana Grajales Airport to Helena Regional Airport is 5 hours and 44 minutes.

What is the time difference between Guantánamo and Helena?

The time difference between Guantánamo and Helena is 2 hours. Helena is 2 hours behind Guantánamo.

Flight carbon footprint between Mariana Grajales Airport (GAO) and Helena Regional Airport (HLN)

On average, flying from Guantánamo to Helena generates about 306 kg of CO2 per passenger, and 306 kilograms equals 675 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Guantánamo to Helena

See the map of the shortest flight path between Mariana Grajales Airport (GAO) and Helena Regional Airport (HLN).

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	Helena Regional Airport
City:	Helena, MT
Country:	United States
IATA Code:	HLN
ICAO Code:	KHLN
Coordinates:	46°36′24″N, 111°58′58″W