Air Miles Calculator

Distance between Charleston, SC (CHS) and Unalaska, AK (DUT)

Flight distance from Charleston to Unalaska (Charleston International Airport – Unalaska Airport) is 4295 miles / 6913 kilometers / 3733 nautical miles. Estimated flight time is 8 hours 37 minutes.

Map of flight path from Charleston to Unalaska.

Shortest flight path between Charleston International Airport (CHS) and Unalaska Airport (DUT).

How far is Unalaska from Charleston?

There are several ways to calculate distances between Charleston and Unalaska. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

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

Time Difference

Charleston, SC

 EST

Unalaska, AK

 HST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 493 kg (1 088 pounds).

Frequent Flyer Miles Calculator

Charleston (CHS) → Unalaska (DUT).

Distance:
4295
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4295

Round trip?