How far is St. John's from Helena, MT?
The distance between Helena (Helena Regional Airport) and St. John's (St. John's International Airport) is 2724 miles / 4384 kilometers / 2367 nautical miles.
The driving distance from Helena (HLN) to St. John's (YYT) is 4292 miles / 6908 kilometers, and travel time by car is about 91 hours 56 minutes.
Helena Regional Airport – St. John's International Airport
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Distance from Helena to St. John's
There are several ways to calculate the distance from Helena to St. John's. 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 Helena to St. John's?
The estimated flight time from Helena Regional Airport to St. John's International Airport is 5 hours and 39 minutes.
What is the time difference between Helena and St. John's?
Flight carbon footprint between Helena Regional Airport (HLN) and St. John's International Airport (YYT)
On average, flying from Helena to St. John's 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 Helena to St. John's
See the map of the shortest flight path between Helena Regional Airport (HLN) and St. John's International Airport (YYT).
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. 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 |