How far is Helena, MT, from Castries?

The distance between Castries (George F. L. Charles Airport) and Helena (Helena Regional Airport) is 3693 miles / 5944 kilometers / 3209 nautical miles.

Distance from Castries to Helena

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

Vincenty's formula (applied above)

• 3693.267 miles
• 5943.738 kilometers
• 3209.362 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

• 3692.686 miles
• 5942.801 kilometers
• 3208.856 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 Castries to Helena?

The estimated flight time from George F. L. Charles Airport to Helena Regional Airport is 7 hours and 29 minutes.

What is the time difference between Castries and Helena?

The time difference between Castries and Helena is 3 hours. Helena is 3 hours behind Castries.

Flight carbon footprint between George F. L. Charles Airport (SLU) and Helena Regional Airport (HLN)

On average, flying from Castries to Helena generates about 418 kg of CO2 per passenger, and 418 kilograms equals 922 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Castries to Helena

See the map of the shortest flight path between George F. L. Charles Airport (SLU) and Helena Regional Airport (HLN).

Airport information

Origin	George F. L. Charles Airport
City:	Castries
Country:	Saint Lucia
IATA Code:	SLU
ICAO Code:	TLPC
Coordinates:	14°1′12″N, 60°59′34″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