How far is Duluth, MN, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Duluth (Duluth International Airport) is 938 miles / 1509 kilometers / 815 nautical miles.
The driving distance from Helena (HLN) to Duluth (DLH) is 1083 miles / 1743 kilometers, and travel time by car is about 19 hours 42 minutes.
Helena Regional Airport – Duluth International Airport
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Distance from Helena to Duluth
There are several ways to calculate the distance from Helena to Duluth. Here are two standard methods:
Vincenty's formula (applied above)- 937.674 miles
- 1509.040 kilometers
- 814.816 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- 934.963 miles
- 1504.678 kilometers
- 812.461 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 Duluth?
The estimated flight time from Helena Regional Airport to Duluth International Airport is 2 hours and 16 minutes.
What is the time difference between Helena and Duluth?
The time difference between Helena and Duluth is 1 hour. Duluth is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Duluth International Airport (DLH)
On average, flying from Helena to Duluth generates about 146 kg of CO2 per passenger, and 146 kilograms equals 323 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 Duluth
See the map of the shortest flight path between Helena Regional Airport (HLN) and Duluth International Airport (DLH).
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 | Duluth International Airport |
|---|---|
| City: | Duluth, MN |
| Country: | United States |
| IATA Code: | DLH |
| ICAO Code: | KDLH |
| Coordinates: | 46°50′31″N, 92°11′36″W |