How far is Helena, MT, from Hagåtña?

The distance between Hagåtña (Guam Antonio B. Won Pat International Airport) and Helena (Helena Regional Airport) is 6160 miles / 9914 kilometers / 5353 nautical miles.

Distance from Hagåtña to Helena

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

Vincenty's formula (applied above)

• 6160.032 miles
• 9913.611 kilometers
• 5352.922 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

• 6152.538 miles
• 9901.551 kilometers
• 5346.410 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 Hagåtña to Helena?

The estimated flight time from Guam Antonio B. Won Pat International Airport to Helena Regional Airport is 12 hours and 9 minutes.

What is the time difference between Hagåtña and Helena?

The time difference between Hagåtña and Helena is 17 hours. Helena is 17 hours behind Hagåtña.

Flight carbon footprint between Guam Antonio B. Won Pat International Airport (GUM) and Helena Regional Airport (HLN)

On average, flying from Hagåtña to Helena generates about 738 kg of CO2 per passenger, and 738 kilograms equals 1 628 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Hagåtña to Helena

See the map of the shortest flight path between Guam Antonio B. Won Pat International Airport (GUM) and Helena Regional Airport (HLN).

Airport information

Origin	Guam Antonio B. Won Pat International Airport
City:	Hagåtña
Country:	Guam
IATA Code:	GUM
ICAO Code:	PGUM
Coordinates:	13°29′0″N, 144°47′45″E

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