Air Miles Calculator

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

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

Driving distance from Washington D.C. (IAD) to Watertown (ART) is 441 miles / 709 kilometers and travel time by car is about 8 hours 33 minutes.

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

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

How far is Watertown from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Watertown. 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 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

B 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

Time difference and current local times

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

Time Difference

Washington D.C.

 EDT

Watertown, NY

 EDT

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

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

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

In total

Total frequent flyer miles:
356

Round trip?