Map of flight path and driving directions from Roanoke to Blountville.
Shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Blountville Tri-Cities Regional Airport (TRI).
How far is Blountville from Roanoke?
There are several ways to calculate distances between Roanoke and Blountville. Here are two common methods:Vincenty's formula (applied above)
- 146.890 miles
- 236.397 kilometers
- 127.644 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 146.650 miles
- 236.010 kilometers
- 127.435 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).
Time difference and current local times
There is no time difference between Roanoke and Blountville.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 47 kg (103 pounds).
Frequent Flyer Miles Calculator
Roanoke (ROA) → Blountville (TRI).