Air Miles Calculator logo

How far is Montreal from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Montreal (Montreal Saint-Hubert Longueuil Airport) is 499 miles / 802 kilometers / 433 nautical miles.

The driving distance from Washington D.C. (IAD) to Montreal (YHU) is 607 miles / 977 kilometers, and travel time by car is about 12 hours 11 minutes.

Washington Dulles International Airport – Montreal Saint-Hubert Longueuil Airport

Distance arrow
499
Miles
Distance arrow
802
Kilometers
Distance arrow
433
Nautical miles

Search flights

Distance from Washington D.C. to Montreal

There are several ways to calculate the distance from Washington D.C. to Montreal. Here are two standard methods:

Vincenty's formula (applied above)
  • 498.566 miles
  • 802.364 kilometers
  • 433.242 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
  • 498.776 miles
  • 802.703 kilometers
  • 433.425 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 Washington D.C. to Montreal?

The estimated flight time from Washington Dulles International Airport to Montreal Saint-Hubert Longueuil Airport is 1 hour and 26 minutes.

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

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

Flight carbon footprint between Washington Dulles International Airport (IAD) and Montreal Saint-Hubert Longueuil Airport (YHU)

On average, flying from Washington D.C. to Montreal generates about 98 kg of CO2 per passenger, and 98 kilograms equals 217 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Montreal Saint-Hubert Longueuil Airport (YHU).

Airport information

Origin 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
Destination Montreal Saint-Hubert Longueuil Airport
City: Montreal
Country: Canada Flag of Canada
IATA Code: YHU
ICAO Code: CYHU
Coordinates: 45°31′3″N, 73°25′0″W