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How far is Washington D.C. from Ottawa?

The distance between Ottawa (Ottawa Macdonald–Cartier International Airport) and Washington D.C. (Washington Dulles International Airport) is 450 miles / 724 kilometers / 391 nautical miles.

The driving distance from Ottawa (YOW) to Washington D.C. (IAD) is 557 miles / 897 kilometers, and travel time by car is about 11 hours 30 minutes.

Ottawa Macdonald–Cartier International Airport – Washington Dulles International Airport

Distance arrow
450
Miles
Distance arrow
724
Kilometers
Distance arrow
391
Nautical miles

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Distance from Ottawa to Washington D.C.

There are several ways to calculate the distance from Ottawa to Washington D.C.. Here are two standard 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 planet.

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).

How long does it take to fly from Ottawa to Washington D.C.?

The estimated flight time from Ottawa Macdonald–Cartier International Airport to Washington Dulles International Airport is 1 hour and 21 minutes.

What is the time difference between Ottawa and Washington D.C.?

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

Flight carbon footprint between Ottawa Macdonald–Cartier International Airport (YOW) and Washington Dulles International Airport (IAD)

On average, flying from Ottawa to Washington D.C. generates about 91 kg of CO2 per passenger, and 91 kilograms equals 201 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Ottawa Macdonald–Cartier International Airport (YOW) and Washington Dulles International Airport (IAD).

Airport information

Origin 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
Destination 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

Airlines flying from Ottawa (YOW) to Washington D.C. (IAD)

Air Canada
United Airlines