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).
Time difference and current local times
There is no time difference between Ottawa and Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 91 kg (201 pounds).
Frequent Flyer Miles Calculator
Ottawa (YOW) → Washington D.C. (IAD).