Air Miles Calculator logo

How far is Saint John from Watertown, SD?

The distance between Watertown (Watertown Regional Airport) and Saint John (Saint John Airport) is 1519 miles / 2445 kilometers / 1320 nautical miles.

The driving distance from Watertown (ATY) to Saint John (YSJ) is 1884 miles / 3032 kilometers, and travel time by car is about 38 hours 0 minutes.

Watertown Regional Airport – Saint John Airport

Distance arrow
1519
Miles
Distance arrow
2445
Kilometers
Distance arrow
1320
Nautical miles

Search flights

Distance from Watertown to Saint John

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

Vincenty's formula (applied above)
  • 1519.269 miles
  • 2445.026 kilometers
  • 1320.209 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
  • 1515.021 miles
  • 2438.190 kilometers
  • 1316.517 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 Watertown to Saint John?

The estimated flight time from Watertown Regional Airport to Saint John Airport is 3 hours and 22 minutes.

Flight carbon footprint between Watertown Regional Airport (ATY) and Saint John Airport (YSJ)

On average, flying from Watertown to Saint John generates about 181 kg of CO2 per passenger, and 181 kilograms equals 398 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Watertown to Saint John

See the map of the shortest flight path between Watertown Regional Airport (ATY) and Saint John Airport (YSJ).

Airport information

Origin Watertown Regional Airport
City: Watertown, SD
Country: United States Flag of United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″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