How far is Juneau, AK, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Juneau (Juneau International Airport) is 1242 miles / 1999 kilometers / 1080 nautical miles.
The driving distance from Helena (HLN) to Juneau (JNU) is 1724 miles / 2775 kilometers, and travel time by car is about 41 hours 38 minutes.
Helena Regional Airport – Juneau International Airport
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Distance from Helena to Juneau
There are several ways to calculate the distance from Helena to Juneau. Here are two standard methods:
Vincenty's formula (applied above)- 1242.383 miles
- 1999.422 kilometers
- 1079.601 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- 1239.721 miles
- 1995.138 kilometers
- 1077.288 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 Juneau?
The estimated flight time from Helena Regional Airport to Juneau International Airport is 2 hours and 51 minutes.
What is the time difference between Helena and Juneau?
The time difference between Helena and Juneau is 2 hours. Juneau is 2 hours behind Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Juneau International Airport (JNU)
On average, flying from Helena to Juneau generates about 163 kg of CO2 per passenger, and 163 kilograms equals 360 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 Juneau
See the map of the shortest flight path between Helena Regional Airport (HLN) and Juneau International Airport (JNU).
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 | Juneau International Airport |
|---|---|
| City: | Juneau, AK |
| Country: | United States |
| IATA Code: | JNU |
| ICAO Code: | PAJN |
| Coordinates: | 58°21′28″N, 134°34′59″W |