Air Miles Calculator

Distance between Ottawa (YOW) and Washington D.C. (IAD)

Flight distance from Ottawa to Washington D.C. (Ottawa Macdonald–Cartier International Airport – Washington Dulles International Airport) is 450 miles / 724 kilometers / 391 nautical miles. Estimated flight time is 1 hour 21 minutes.

Driving distance from Ottawa (YOW) to Washington D.C. (IAD) is 555 miles / 893 kilometers and travel time by car is about 10 hours 49 minutes.

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

Shortest flight path between Ottawa Macdonald–Cartier International Airport (YOW) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from Ottawa?

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

Vincenty's formula (applied above)
  • 449.639 miles
  • 723.623 kilometers
  • 390.725 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
  • 450.052 miles
  • 724.288 kilometers
  • 391.084 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 Ottawa Macdonald–Cartier International Airport
City: Ottawa
Country: Canada Flag of Canada
IATA Code: YOW
ICAO Code: CYOW
Coordinates: 45°19′20″N, 75°40′9″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 Ottawa and Washington D.C..

Time Difference

Ottawa

 EDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 91 kg (201 pounds).

Frequent Flyer Miles Calculator

Ottawa (YOW) → Washington D.C. (IAD).

Distance:
450
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
450

Round trip?