How far is Dauphin from Helena, MT?
The distance between Helena (Helena Regional Airport) and Dauphin (Lt. Col W.G. (Billy) Barker VC Airport) is 625 miles / 1006 kilometers / 543 nautical miles.
The driving distance from Helena (HLN) to Dauphin (YDN) is 844 miles / 1359 kilometers, and travel time by car is about 16 hours 9 minutes.
Helena Regional Airport – Lt. Col W.G. (Billy) Barker VC Airport
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Distance from Helena to Dauphin
There are several ways to calculate the distance from Helena to Dauphin. Here are two standard methods:
Vincenty's formula (applied above)- 625.355 miles
- 1006.412 kilometers
- 543.419 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- 623.920 miles
- 1004.102 kilometers
- 542.172 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 Dauphin?
The estimated flight time from Helena Regional Airport to Lt. Col W.G. (Billy) Barker VC Airport is 1 hour and 41 minutes.
What is the time difference between Helena and Dauphin?
The time difference between Helena and Dauphin is 1 hour. Dauphin is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Lt. Col W.G. (Billy) Barker VC Airport (YDN)
On average, flying from Helena to Dauphin generates about 116 kg of CO2 per passenger, and 116 kilograms equals 255 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 Dauphin
See the map of the shortest flight path between Helena Regional Airport (HLN) and Lt. Col W.G. (Billy) Barker VC Airport (YDN).
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 | Lt. Col W.G. (Billy) Barker VC Airport |
|---|---|
| City: | Dauphin |
| Country: | Canada  |
| IATA Code: | YDN |
| ICAO Code: | CYDN |
| Coordinates: | 51°6′2″N, 100°3′7″W |