Air Miles Calculator

Distance between Charleston, SC (CHS) and Washington D.C. (IAD)

Flight distance from Charleston to Washington D.C. (Charleston International Airport – Washington Dulles International Airport) is 441 miles / 710 kilometers / 383 nautical miles. Estimated flight time is 1 hour 20 minutes.

Driving distance from Charleston (CHS) to Washington D.C. (IAD) is 518 miles / 834 kilometers and travel time by car is about 9 hours 22 minutes.

Map of flight path and driving directions from Charleston to Washington D.C..

Shortest flight path between Charleston International Airport (CHS) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from Charleston?

There are several ways to calculate distances between Charleston and Washington D.C.. Here are two common methods:

Vincenty's formula (applied above)
  • 441.266 miles
  • 710.148 kilometers
  • 383.449 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
  • 442.000 miles
  • 711.330 kilometers
  • 384.088 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

Time difference and current local times

There is no time difference between Charleston and Washington D.C..

Time Difference

Charleston, SC

 EST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 90 kg (198 pounds).

Frequent Flyer Miles Calculator

Charleston (CHS) → Washington D.C. (IAD).

Distance:
441
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
441

Round trip?