Map of flight path and driving directions from Charleston to Watertown.
Shortest flight path between Charleston International Airport (CHS) and Watertown Regional Airport (ATY).
How far is Watertown from Charleston?
There are several ways to calculate distances between Charleston and Watertown. Here are two common methods:Vincenty's formula (applied above)
- 1235.345 miles
- 1988.095 kilometers
- 1073.486 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
- 1234.601 miles
- 1986.898 kilometers
- 1072.839 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 Watertown is 1 hour. Watertown is 1 hour behind Charleston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 163 kg (359 pounds).
Frequent Flyer Miles Calculator
Charleston (CHS) → Watertown (ATY).