How far is Helena, MT, from St. John's?
The distance between St. John's (St. John's International Airport) and Helena (Helena Regional Airport) is 2724 miles / 4384 kilometers / 2367 nautical miles.
The driving distance from St. John's (YYT) to Helena (HLN) is 4286 miles / 6898 kilometers, and travel time by car is about 91 hours 50 minutes.
St. John's International Airport – Helena Regional Airport
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Distance from St. John's to Helena
There are several ways to calculate the distance from St. John's to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2724.396 miles
- 4384.490 kilometers
- 2367.435 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- 2716.472 miles
- 4371.739 kilometers
- 2360.550 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. John's to Helena?
The estimated flight time from St. John's International Airport to Helena Regional Airport is 5 hours and 39 minutes.
What is the time difference between St. John's and Helena?
Flight carbon footprint between St. John's International Airport (YYT) and Helena Regional Airport (HLN)
On average, flying from St. John's to Helena generates about 302 kg of CO2 per passenger, and 302 kilograms equals 665 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. John's to Helena
See the map of the shortest flight path between St. John's International Airport (YYT) and Helena Regional Airport (HLN).
Airport information
| Origin | St. John's International Airport |
|---|---|
| City: | St. John's |
| Country: | Canada  |
| IATA Code: | YYT |
| ICAO Code: | CYYT |
| Coordinates: | 47°37′6″N, 52°45′6″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 |