How far is Roanoke, VA, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Roanoke (Roanoke–Blacksburg Regional Airport) is 1754 miles / 2823 kilometers / 1524 nautical miles.
The driving distance from Helena (HLN) to Roanoke (ROA) is 2110 miles / 3396 kilometers, and travel time by car is about 38 hours 56 minutes.
Helena Regional Airport – Roanoke–Blacksburg Regional Airport
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Distance from Helena to Roanoke
There are several ways to calculate the distance from Helena to Roanoke. 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 Helena to Roanoke?
The estimated flight time from Helena Regional Airport to Roanoke–Blacksburg Regional Airport is 3 hours and 49 minutes.
What is the time difference between Helena and Roanoke?
The time difference between Helena and Roanoke is 2 hours. Roanoke is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Roanoke–Blacksburg Regional Airport (ROA)
On average, flying from Helena to Roanoke 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 Helena to Roanoke
See the map of the shortest flight path between Helena Regional Airport (HLN) and Roanoke–Blacksburg Regional Airport (ROA).
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 | 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 |