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How far is Salt Cay from Helena, MT?

The distance between Helena (Helena Regional Airport) and Salt Cay (Salt Cay Airport) is 2869 miles / 4617 kilometers / 2493 nautical miles.

Helena Regional Airport – Salt Cay Airport

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2869
Miles
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4617
Kilometers
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2493
Nautical miles

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Distance from Helena to Salt Cay

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

Vincenty's formula (applied above)
  • 2869.073 miles
  • 4617.325 kilometers
  • 2493.156 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
  • 2867.734 miles
  • 4615.171 kilometers
  • 2491.993 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 Helena to Salt Cay?

The estimated flight time from Helena Regional Airport to Salt Cay Airport is 5 hours and 55 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Salt Cay Airport (SLX)

On average, flying from Helena to Salt Cay generates about 319 kg of CO2 per passenger, and 319 kilograms equals 702 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Helena to Salt Cay

See the map of the shortest flight path between Helena Regional Airport (HLN) and Salt Cay Airport (SLX).

Airport information

Origin 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
Destination Salt Cay Airport
City: Salt Cay
Country: Turks and Caicos Islands Flag of Turks and Caicos Islands
IATA Code: SLX
ICAO Code: MBSY
Coordinates: 21°19′58″N, 71°11′59″W