Air Miles Calculator logo

How far is Helena, MT, from Saint Croix?

The distance between Saint Croix (Henry E. Rohlsen Airport) and Helena (Helena Regional Airport) is 3336 miles / 5368 kilometers / 2899 nautical miles.

Henry E. Rohlsen Airport – Helena Regional Airport

Distance arrow
3336
Miles
Distance arrow
5368
Kilometers
Distance arrow
2899
Nautical miles

Search flights

Distance from Saint Croix to Helena

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

Vincenty's formula (applied above)
  • 3335.643 miles
  • 5368.197 kilometers
  • 2898.595 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
  • 3334.419 miles
  • 5366.227 kilometers
  • 2897.531 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 Saint Croix to Helena?

The estimated flight time from Henry E. Rohlsen Airport to Helena Regional Airport is 6 hours and 48 minutes.

Flight carbon footprint between Henry E. Rohlsen Airport (STX) and Helena Regional Airport (HLN)

On average, flying from Saint Croix to Helena generates about 375 kg of CO2 per passenger, and 375 kilograms equals 826 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Saint Croix to Helena

See the map of the shortest flight path between Henry E. Rohlsen Airport (STX) and Helena Regional Airport (HLN).

Airport information

Origin Henry E. Rohlsen Airport
City: Saint Croix
Country: U.S. Virgin Islands Flag of U.S. Virgin Islands
IATA Code: STX
ICAO Code: TISX
Coordinates: 17°42′6″N, 64°47′54″W
Destination Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W