Air Miles Calculator

Distance between Saint Thomas (STT) and Washington D.C. (IAD)

Distance from Cyril E. King Airport to Washington Dulles International Airport is 1605 miles / 2583 kilometers / 1395 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 1605.291 miles
  • 2583.465 kilometers
  • 1394.960 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
  • 1608.693 miles
  • 2588.941 kilometers
  • 1397.916 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from Cyril E. King Airport (STT) to Washington Dulles International Airport (IAD) is 3 hours 32 minutes.

Time difference and current local times

The time difference between Saint Thomas and Washington D.C. is 1 hour. Washington D.C. is 1 hour behind Saint Thomas.

Time Difference

Saint Thomas
Washington D.C.

Saint Thomas

 AST

Washington D.C.

 EST

Airport information


A Cyril E. King Airport
City: Saint Thomas
Country: U.S. Virgin Islands Flag of U.S. Virgin Islands
IATA Code: STT
ICAO Code: TIST
Coordinates: 18°20′14″N, 64°58′24″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

Map

Flight map from Saint Thomas to Washington D.C..

Frequent Flyer Miles Calculator

Saint Thomas (STT) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1605
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1605

Round trip?