Map of flight path and driving directions from Chattanooga to Roanoke.
Shortest flight path between Chattanooga Metropolitan Airport (CHA) and Roanoke–Blacksburg Regional Airport (ROA).
How far is Roanoke from Chattanooga?
There are several ways to calculate distances between Chattanooga and Roanoke. Here are two common methods:Vincenty's formula (applied above)
- 332.108 miles
- 534.476 kilometers
- 288.594 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
- 331.679 miles
- 533.786 kilometers
- 288.221 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 Chattanooga and Roanoke.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 74 kg (163 pounds).
Frequent Flyer Miles Calculator
Chattanooga (CHA) → Roanoke (ROA).