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).
Time difference and current local times
The time difference between Charleston and Unalaska is 5 hours. Unalaska is 5 hours behind Charleston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 493 kg (1 088 pounds).
Frequent Flyer Miles Calculator
Charleston (CHS) → Unalaska (DUT).