How far is St. Paul Island, AK, from Helena, MT?
The distance between Helena (Helena Regional Airport) and St. Paul Island (St. Paul Island Airport) is 2511 miles / 4041 kilometers / 2182 nautical miles.
Helena Regional Airport – St. Paul Island Airport
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Distance from Helena to St. Paul Island
There are several ways to calculate the distance from Helena to St. Paul Island. Here are two standard methods:
Vincenty's formula (applied above)- 2510.748 miles
- 4040.657 kilometers
- 2181.780 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- 2503.325 miles
- 4028.710 kilometers
- 2175.330 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 St. Paul Island?
The estimated flight time from Helena Regional Airport to St. Paul Island Airport is 5 hours and 15 minutes.
What is the time difference between Helena and St. Paul Island?
Flight carbon footprint between Helena Regional Airport (HLN) and St. Paul Island Airport (SNP)
On average, flying from Helena to St. Paul Island generates about 276 kg of CO2 per passenger, and 276 kilograms equals 609 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Helena to St. Paul Island
See the map of the shortest flight path between Helena Regional Airport (HLN) and St. Paul Island Airport (SNP).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | St. Paul Island Airport |
|---|---|
| City: | St. Paul Island, AK |
| Country: | United States |
| IATA Code: | SNP |
| ICAO Code: | PASN |
| Coordinates: | 57°9′58″N, 170°13′21″W |