How far is Helena, MT, from Roanoke, VA?
The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Helena (Helena Regional Airport) is 1754 miles / 2823 kilometers / 1524 nautical miles.
The driving distance from Roanoke (ROA) to Helena (HLN) is 2128 miles / 3425 kilometers, and travel time by car is about 38 hours 47 minutes.
Roanoke–Blacksburg Regional Airport – Helena Regional Airport
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Distance from Roanoke to Helena
There are several ways to calculate the distance from Roanoke to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1753.849 miles
- 2822.546 kilometers
- 1524.053 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- 1750.144 miles
- 2816.584 kilometers
- 1520.834 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 Roanoke to Helena?
The estimated flight time from Roanoke–Blacksburg Regional Airport to Helena Regional Airport is 3 hours and 49 minutes.
What is the time difference between Roanoke and Helena?
The time difference between Roanoke and Helena is 2 hours. Helena is 2 hours behind Roanoke.
Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Helena Regional Airport (HLN)
On average, flying from Roanoke to Helena generates about 197 kg of CO2 per passenger, and 197 kilograms equals 433 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Roanoke to Helena
See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Helena Regional Airport (HLN).
Airport information
| Origin | Roanoke–Blacksburg Regional Airport |
|---|---|
| City: | Roanoke, VA |
| Country: | United States  |
| IATA Code: | ROA |
| ICAO Code: | KROA |
| Coordinates: | 37°19′31″N, 79°58′31″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 |