Air Miles Calculator

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

Flight distance from Saint Thomas to Washington D.C. (Cyril E. King Airport – Washington Dulles International Airport) is 1605 miles / 2583 kilometers / 1395 nautical miles. Estimated flight time is 3 hours 32 minutes.

Map of flight path from Saint Thomas to Washington D.C..

Shortest flight path between Cyril E. King Airport (STT) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from Saint Thomas?

There are several ways to calculate distances between Saint Thomas and Washington D.C.. Here are two common 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 – the shortest distance between two points).

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

Time difference and current local times

There is no time difference between Saint Thomas and Washington D.C..

Time Difference

Saint Thomas

 AST

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 186 kg (411 pounds).

Frequent Flyer Miles Calculator

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

Distance:
1605
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1605

Round trip?