Air Miles Calculator logo

How far is Unalaska, AK, from Charleston, SC?

The distance between Charleston (Charleston International Airport) and Unalaska (Unalaska Airport) is 4295 miles / 6913 kilometers / 3733 nautical miles.

Charleston International Airport – Unalaska Airport

Distance arrow
4295
Miles
Distance arrow
6913
Kilometers
Distance arrow
3733
Nautical miles

Search flights

Distance from Charleston to Unalaska

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

Vincenty's formula (applied above)
  • 4295.381 miles
  • 6912.745 kilometers
  • 3732.584 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
  • 4285.752 miles
  • 6897.249 kilometers
  • 3724.217 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 Charleston to Unalaska?

The estimated flight time from Charleston International Airport to Unalaska Airport is 8 hours and 37 minutes.

Flight carbon footprint between Charleston International Airport (CHS) and Unalaska Airport (DUT)

On average, flying from Charleston to Unalaska generates about 493 kg of CO2 per passenger, and 493 kilograms equals 1 088 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Charleston to Unalaska

See the map of the shortest flight path between Charleston International Airport (CHS) and Unalaska Airport (DUT).

Airport information

Origin Charleston International Airport
City: Charleston, SC
Country: United States Flag of United States
IATA Code: CHS
ICAO Code: KCHS
Coordinates: 32°53′54″N, 80°2′25″W
Destination Unalaska Airport
City: Unalaska, AK
Country: United States Flag of United States
IATA Code: DUT
ICAO Code: PADU
Coordinates: 53°54′0″N, 166°32′38″W