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How far is Knoxville, TN, from Roanoke, VA?

The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Knoxville (Knoxville McGhee Tyson Airport) is 247 miles / 397 kilometers / 214 nautical miles.

The driving distance from Roanoke (ROA) to Knoxville (TYS) is 272 miles / 438 kilometers, and travel time by car is about 5 hours 12 minutes.

Roanoke–Blacksburg Regional Airport – Knoxville McGhee Tyson Airport

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247
Miles
Distance arrow
397
Kilometers
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214
Nautical miles

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Distance from Roanoke to Knoxville

There are several ways to calculate the distance from Roanoke to Knoxville. Here are two standard methods:

Vincenty's formula (applied above)
  • 246.678 miles
  • 396.990 kilometers
  • 214.357 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
  • 246.302 miles
  • 396.384 kilometers
  • 214.030 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 Knoxville?

The estimated flight time from Roanoke–Blacksburg Regional Airport to Knoxville McGhee Tyson Airport is 58 minutes.

What is the time difference between Roanoke and Knoxville?

There is no time difference between Roanoke and Knoxville.

Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Knoxville McGhee Tyson Airport (TYS)

On average, flying from Roanoke to Knoxville generates about 61 kg of CO2 per passenger, and 61 kilograms equals 135 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 Knoxville

See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Knoxville McGhee Tyson Airport (TYS).

Airport information

Origin 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
Destination Knoxville McGhee Tyson Airport
City: Knoxville, TN
Country: United States Flag of United States
IATA Code: TYS
ICAO Code: KTYS
Coordinates: 35°48′39″N, 83°59′38″W