Air Miles Calculator

Distance between Chattanooga, TN (CHA) and Roanoke, VA (ROA)

Flight distance from Chattanooga to Roanoke (Chattanooga Metropolitan Airport – Roanoke–Blacksburg Regional Airport) is 332 miles / 534 kilometers / 289 nautical miles. Estimated flight time is 1 hour 7 minutes.

Driving distance from Chattanooga (CHA) to Roanoke (ROA) is 359 miles / 578 kilometers and travel time by car is about 6 hours 17 minutes.

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).

Airport information


A Chattanooga Metropolitan Airport
City: Chattanooga, TN
Country: United States Flag of United States
IATA Code: CHA
ICAO Code: KCHA
Coordinates: 35°2′7″N, 85°12′13″W

B Roanoke–Blacksburg Regional Airport
City: Roanoke, VA
Country: United States Flag of United States
IATA Code: ROA
ICAO Code: KROA
Coordinates: 37°19′31″N, 79°58′31″W

Time difference and current local times

There is no time difference between Chattanooga and Roanoke.

Time Difference

Chattanooga, TN

 EST

Roanoke, VA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 74 kg (163 pounds).

Frequent Flyer Miles Calculator

Chattanooga (CHA) → Roanoke (ROA).

Distance:
332
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
332

Round trip?