Air Miles Calculator

Distance between Washington D.C. (DCA) and Saint John (YSJ)

Distance from Washington D.C. to Saint John (Ronald Reagan Washington National Airport – Saint John Airport) is 725 miles / 1167 kilometers / 630 nautical miles.

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

There are several ways to calculate distances between Washington D.C. and Saint John. Here are two common methods:

Vincenty's formula (applied above)
  • 725.148 miles
  • 1167.013 kilometers
  • 630.137 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
  • 724.266 miles
  • 1165.594 kilometers
  • 629.370 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).

Flight duration

Estimated flight time from Ronald Reagan Washington National Airport (DCA) to Saint John Airport (YSJ) is 1 hour 52 minutes.

Time difference and current local times

The time difference between Washington D.C. and Saint John is 1 hour. Saint John is 1 hour ahead of Washington D.C..

Time Difference

Washington D.C.
Saint John

Washington D.C.

 EDT

Saint John

 ADT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 127 kg (281 pounds).

Airport information


A Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

B 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

Washington D.C. to Saint John flight path

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Saint John Airport (YSJ).

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Saint John (YSJ).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
725
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
725

Round trip?