How far is Washington D.C. from Ottawa?
The distance between Ottawa (Ottawa Macdonald–Cartier International Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 452 miles / 728 kilometers / 393 nautical miles.
The driving distance from Ottawa (YOW) to Washington D.C. (DCA) is 562 miles / 905 kilometers, and travel time by car is about 11 hours 32 minutes.
Ottawa Macdonald–Cartier International Airport – Ronald Reagan Washington National Airport
Search flights
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)- 452.067 miles
- 727.532 kilometers
- 392.836 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- 452.515 miles
- 728.253 kilometers
- 393.225 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 Ronald Reagan Washington National 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 Ronald Reagan Washington National Airport (DCA)
On average, flying from Ottawa to Washington D.C. generates about 92 kg of CO2 per passenger, and 92 kilograms equals 202 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 Ronald Reagan Washington National Airport (DCA).
Airport information
| Origin | Ottawa Macdonald–Cartier International Airport |
|---|---|
| City: | Ottawa |
| Country: | Canada  |
| IATA Code: | YOW |
| ICAO Code: | CYOW |
| Coordinates: | 45°19′20″N, 75°40′9″W |
| Destination | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″W |
Airlines flying from Ottawa (YOW) to Washington D.C. (DCA)
| Air Canada |