How far is Helena, MT, from Georgetown?

The distance between Georgetown (Owen Roberts International Airport) and Helena (Helena Regional Airport) is 2559 miles / 4119 kilometers / 2224 nautical miles.

Distance from Georgetown to Helena

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

Vincenty's formula (applied above)

• 2559.151 miles
• 4118.554 kilometers
• 2223.841 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

• 2560.230 miles
• 4120.291 kilometers
• 2224.779 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 Georgetown to Helena?

The estimated flight time from Owen Roberts International Airport to Helena Regional Airport is 5 hours and 20 minutes.

What is the time difference between Georgetown and Helena?

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

Flight carbon footprint between Owen Roberts International Airport (GCM) and Helena Regional Airport (HLN)

On average, flying from Georgetown to Helena generates about 282 kg of CO2 per passenger, and 282 kilograms equals 622 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Georgetown to Helena

See the map of the shortest flight path between Owen Roberts International Airport (GCM) and Helena Regional Airport (HLN).

Airport information

Origin	Owen Roberts International Airport
City:	Georgetown
Country:	Cayman Islands
IATA Code:	GCM
ICAO Code:	MWCR
Coordinates:	19°17′34″N, 81°21′27″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