How far is Helena, MT, from Detroit, MI?
The distance between Detroit (Detroit Metropolitan Airport) and Helena (Helena Regional Airport) is 1441 miles / 2318 kilometers / 1252 nautical miles.
The driving distance from Detroit (DTW) to Helena (HLN) is 1675 miles / 2695 kilometers, and travel time by car is about 30 hours 57 minutes.
Detroit Metropolitan Airport – Helena Regional Airport
Search flights
Distance from Detroit to Helena
There are several ways to calculate the distance from Detroit to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1440.643 miles
- 2318.491 kilometers
- 1251.885 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- 1436.895 miles
- 2312.458 kilometers
- 1248.627 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 Detroit to Helena?
The estimated flight time from Detroit Metropolitan Airport to Helena Regional Airport is 3 hours and 13 minutes.
What is the time difference between Detroit and Helena?
The time difference between Detroit and Helena is 2 hours. Helena is 2 hours behind Detroit.
Flight carbon footprint between Detroit Metropolitan Airport (DTW) and Helena Regional Airport (HLN)
On average, flying from Detroit to Helena generates about 176 kg of CO2 per passenger, and 176 kilograms equals 387 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Detroit to Helena
See the map of the shortest flight path between Detroit Metropolitan Airport (DTW) and Helena Regional Airport (HLN).
Airport information
| Origin | Detroit Metropolitan Airport |
|---|---|
| City: | Detroit, MI |
| Country: | United States  |
| IATA Code: | DTW |
| ICAO Code: | KDTW |
| Coordinates: | 42°12′44″N, 83°21′12″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 |