How far is Alamosa, CO, from Roanoke, VA?
The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Alamosa (San Luis Valley Regional Airport) is 1420 miles / 2286 kilometers / 1234 nautical miles.
The driving distance from Roanoke (ROA) to Alamosa (ALS) is 1712 miles / 2755 kilometers, and travel time by car is about 30 hours 58 minutes.
Roanoke–Blacksburg Regional Airport – San Luis Valley Regional Airport
Search flights
Distance from Roanoke to Alamosa
There are several ways to calculate the distance from Roanoke to Alamosa. Here are two standard methods:
Vincenty's formula (applied above)- 1420.381 miles
- 2285.881 kilometers
- 1234.277 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- 1417.042 miles
- 2280.509 kilometers
- 1231.376 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 Alamosa?
The estimated flight time from Roanoke–Blacksburg Regional Airport to San Luis Valley Regional Airport is 3 hours and 11 minutes.
What is the time difference between Roanoke and Alamosa?
The time difference between Roanoke and Alamosa is 2 hours. Alamosa is 2 hours behind Roanoke.
Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and San Luis Valley Regional Airport (ALS)
On average, flying from Roanoke to Alamosa generates about 174 kg of CO2 per passenger, and 174 kilograms equals 385 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 Alamosa
See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and San Luis Valley Regional Airport (ALS).
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 | San Luis Valley Regional Airport |
|---|---|
| City: | Alamosa, CO |
| Country: | United States |
| IATA Code: | ALS |
| ICAO Code: | KALS |
| Coordinates: | 37°26′5″N, 105°52′1″W |