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How far is Saint John from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Saint John (Saint John Airport) is 738 miles / 1188 kilometers / 641 nautical miles.

The driving distance from Washington D.C. (IAD) to Saint John (YSJ) is 870 miles / 1400 kilometers, and travel time by car is about 17 hours 32 minutes.

Washington Dulles International Airport – Saint John Airport

Distance arrow
738
Miles
Distance arrow
1188
Kilometers
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641
Nautical miles

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Distance from Washington D.C. to Saint John

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

Vincenty's formula (applied above)
  • 738.006 miles
  • 1187.705 kilometers
  • 641.309 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
  • 737.041 miles
  • 1186.152 kilometers
  • 640.471 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 Saint John?

The estimated flight time from Washington Dulles International Airport to Saint John Airport is 1 hour and 53 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Saint John Airport (YSJ)

On average, flying from Washington D.C. to Saint John generates about 129 kg of CO2 per passenger, and 129 kilograms equals 284 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 Saint John

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Saint John Airport (YSJ).

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 Saint John Airport
City: Saint John
Country: Canada Flag of Canada
IATA Code: YSJ
ICAO Code: CYSJ
Coordinates: 45°18′57″N, 65°53′25″W