How far is Blountville, TN, from Unalaska, AK?

The distance between Unalaska (Unalaska Airport) and Blountville (Blountville Tri-Cities Regional Airport) is 4023 miles / 6474 kilometers / 3496 nautical miles.

Distance from Unalaska to Blountville

There are several ways to calculate the distance from Unalaska to Blountville. Here are two standard methods:

Vincenty's formula (applied above)

• 4022.867 miles
• 6474.177 kilometers
• 3495.776 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

• 4012.967 miles
• 6458.244 kilometers
• 3487.173 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 Unalaska to Blountville?

The estimated flight time from Unalaska Airport to Blountville Tri-Cities Regional Airport is 8 hours and 7 minutes.

What is the time difference between Unalaska and Blountville?

The time difference between Unalaska and Blountville is 5 hours. Blountville is 5 hours ahead of Unalaska.

Flight carbon footprint between Unalaska Airport (DUT) and Blountville Tri-Cities Regional Airport (TRI)

On average, flying from Unalaska to Blountville generates about 459 kg of CO2 per passenger, and 459 kilograms equals 1 012 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Unalaska to Blountville

See the map of the shortest flight path between Unalaska Airport (DUT) and Blountville Tri-Cities Regional Airport (TRI).

Airport information

Origin	Unalaska Airport
City:	Unalaska, AK
Country:	United States
IATA Code:	DUT
ICAO Code:	PADU
Coordinates:	53°54′0″N, 166°32′38″W

Destination	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