# Distance between Roanoke, VA (ROA) and Blountville, TN (TRI)

Flight distance from Roanoke to Blountville (Roanoke–Blacksburg Regional Airport – Blountville Tri-Cities Regional Airport) is 147 miles / 236 kilometers / 128 nautical miles. Estimated flight time is 46 minutes.

Driving distance from Roanoke (ROA) to Blountville (TRI) is 163 miles / 262 kilometers and travel time by car is about 2 hours 50 minutes.

## 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).

## Airport information

A 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

B Blountville Tri-Cities Regional Airport
City: Blountville, TN
Country: United States
IATA Code: TRI
ICAO Code: KTRI
Coordinates: 36°28′30″N, 82°24′26″W

## Time difference and current local times

There is no time difference between Roanoke and Blountville.

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## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 47 kg (103 pounds).

## Frequent Flyer Miles Calculator

Roanoke (ROA) → Blountville (TRI).

Distance:
147
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
147

Round trip?