How far is Helena, MT, from Saint John?
The distance between Saint John (Saint John Airport) and Helena (Helena Regional Airport) is 2190 miles / 3524 kilometers / 1903 nautical miles.
The driving distance from Saint John (YSJ) to Helena (HLN) is 2677 miles / 4309 kilometers, and travel time by car is about 52 hours 7 minutes.
Saint John Airport – Helena Regional Airport
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Distance from Saint John to Helena
There are several ways to calculate the distance from Saint John to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2189.969 miles
- 3524.414 kilometers
- 1903.031 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- 2183.750 miles
- 3514.404 kilometers
- 1897.627 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 Saint John to Helena?
The estimated flight time from Saint John Airport to Helena Regional Airport is 4 hours and 38 minutes.
What is the time difference between Saint John and Helena?
The time difference between Saint John and Helena is 3 hours. Helena is 3 hours behind Saint John.
Flight carbon footprint between Saint John Airport (YSJ) and Helena Regional Airport (HLN)
On average, flying from Saint John to Helena generates about 239 kg of CO2 per passenger, and 239 kilograms equals 527 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Saint John to Helena
See the map of the shortest flight path between Saint John Airport (YSJ) and Helena Regional Airport (HLN).
Airport information
| Origin | Saint John Airport |
|---|---|
| City: | Saint John |
| Country: | Canada  |
| IATA Code: | YSJ |
| ICAO Code: | CYSJ |
| Coordinates: | 45°18′57″N, 65°53′25″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 |