How far is Helena, MT, from St Michael, AK?
The distance between St Michael (St. Michael Airport) and Helena (Helena Regional Airport) is 2226 miles / 3582 kilometers / 1934 nautical miles.
The driving distance from St Michael (SMK) to Helena (HLN) is 3205 miles / 5158 kilometers, and travel time by car is about 138 hours 50 minutes.
St. Michael Airport – Helena Regional Airport
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Distance from St Michael to Helena
There are several ways to calculate the distance from St Michael to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2226.057 miles
- 3582.491 kilometers
- 1934.390 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- 2219.999 miles
- 3572.743 kilometers
- 1929.127 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 St Michael to Helena?
The estimated flight time from St. Michael Airport to Helena Regional Airport is 4 hours and 42 minutes.
What is the time difference between St Michael and Helena?
The time difference between St Michael and Helena is 2 hours. Helena is 2 hours ahead of St Michael.
Flight carbon footprint between St. Michael Airport (SMK) and Helena Regional Airport (HLN)
On average, flying from St Michael to Helena generates about 243 kg of CO2 per passenger, and 243 kilograms equals 537 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St Michael to Helena
See the map of the shortest flight path between St. Michael Airport (SMK) and Helena Regional Airport (HLN).
Airport information
| Origin | St. Michael Airport |
|---|---|
| City: | St Michael, AK |
| Country: | United States  |
| IATA Code: | SMK |
| ICAO Code: | PAMK |
| Coordinates: | 63°29′24″N, 162°6′36″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 |