Air Miles Calculator

Distance between Watertown, NY (ART) and Washington D.C. (IAD)

Flight distance from Watertown to Washington D.C. (Watertown International Airport – Washington Dulles International Airport) is 356 miles / 573 kilometers / 310 nautical miles. Estimated flight time is 1 hour 10 minutes.

Driving distance from Watertown (ART) to Washington D.C. (IAD) is 441 miles / 710 kilometers and travel time by car is about 8 hours 33 minutes.

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

Shortest flight path between Watertown International Airport (ART) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from Watertown?

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

Vincenty's formula (applied above)
  • 356.177 miles
  • 573.211 kilometers
  • 309.509 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
  • 356.542 miles
  • 573.798 kilometers
  • 309.826 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 Watertown International Airport
City: Watertown, NY
Country: United States Flag of United States
IATA Code: ART
ICAO Code: KART
Coordinates: 43°59′30″N, 76°1′18″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 Watertown and Washington D.C..

Time Difference

Watertown, NY

 EDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 77 kg (171 pounds).

Frequent Flyer Miles Calculator

Watertown (ART) → Washington D.C. (IAD).

Distance:
356
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
356

Round trip?