How far is Unalaska, AK, from Roanoke, VA?

The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Unalaska (Unalaska Airport) is 4073 miles / 6555 kilometers / 3540 nautical miles.

Distance from Roanoke to Unalaska

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

Vincenty's formula (applied above)

• 4073.277 miles
• 6555.305 kilometers
• 3539.581 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

• 4062.993 miles
• 6538.753 kilometers
• 3530.644 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 Unalaska?

The estimated flight time from Roanoke–Blacksburg Regional Airport to Unalaska Airport is 8 hours and 12 minutes.

What is the time difference between Roanoke and Unalaska?

The time difference between Roanoke and Unalaska is 5 hours. Unalaska is 5 hours behind Roanoke.

Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Unalaska Airport (DUT)

On average, flying from Roanoke to Unalaska generates about 466 kg of CO2 per passenger, and 466 kilograms equals 1 026 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Roanoke to Unalaska

See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Unalaska Airport (DUT).

Airport information

Origin	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

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