# 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
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
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..

AST

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?