Air Miles Calculator logo

How far is Deadman's Cay from Helena, MT?

The distance between Helena (Helena Regional Airport) and Deadman's Cay (Deadman's Cay Airport) is 2607 miles / 4195 kilometers / 2265 nautical miles.

Helena Regional Airport – Deadman's Cay Airport

Distance arrow
2607
Miles
Distance arrow
4195
Kilometers
Distance arrow
2265
Nautical miles

Search flights

Distance from Helena to Deadman's Cay

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

Vincenty's formula (applied above)
  • 2606.726 miles
  • 4195.118 kilometers
  • 2265.183 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
  • 2605.469 miles
  • 4193.096 kilometers
  • 2264.091 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 Deadman's Cay?

The estimated flight time from Helena Regional Airport to Deadman's Cay Airport is 5 hours and 26 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Deadman's Cay Airport (LGI)

On average, flying from Helena to Deadman's Cay generates about 288 kg of CO2 per passenger, and 288 kilograms equals 634 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Helena to Deadman's Cay

See the map of the shortest flight path between Helena Regional Airport (HLN) and Deadman's Cay Airport (LGI).

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 Deadman's Cay Airport
City: Deadman's Cay
Country: Bahamas Flag of Bahamas
IATA Code: LGI
ICAO Code: MYLD
Coordinates: 23°10′44″N, 75°5′36″W