How far is Helena, MT, from Adak Island, AK?
The distance between Adak Island (Adak Airport) and Helena (Helena Regional Airport) is 2851 miles / 4588 kilometers / 2477 nautical miles.
Adak Airport – Helena Regional Airport
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Distance from Adak Island to Helena
There are several ways to calculate the distance from Adak Island to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2850.707 miles
- 4587.768 kilometers
- 2477.197 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- 2842.203 miles
- 4574.082 kilometers
- 2469.807 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 Adak Island to Helena?
The estimated flight time from Adak Airport to Helena Regional Airport is 5 hours and 53 minutes.
What is the time difference between Adak Island and Helena?
Flight carbon footprint between Adak Airport (ADK) and Helena Regional Airport (HLN)
On average, flying from Adak Island to Helena generates about 316 kg of CO2 per passenger, and 316 kilograms equals 698 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Adak Island to Helena
See the map of the shortest flight path between Adak Airport (ADK) and Helena Regional Airport (HLN).
Airport information
| Origin | Adak Airport |
|---|---|
| City: | Adak Island, AK |
| Country: | United States  |
| IATA Code: | ADK |
| ICAO Code: | PADK |
| Coordinates: | 51°52′40″N, 176°38′45″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 |