How far is Watertown, SD, from St. Theresa Point?

The distance between St. Theresa Point (St. Theresa Point Airport) and Watertown (Watertown Regional Airport) is 626 miles / 1007 kilometers / 544 nautical miles.

Distance from St. Theresa Point to Watertown

There are several ways to calculate the distance from St. Theresa Point to Watertown. Here are two standard methods:

Vincenty's formula (applied above)

• 625.830 miles
• 1007.175 kilometers
• 543.831 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

• 625.659 miles
• 1006.901 kilometers
• 543.683 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 St. Theresa Point to Watertown?

The estimated flight time from St. Theresa Point Airport to Watertown Regional Airport is 1 hour and 41 minutes.

What is the time difference between St. Theresa Point and Watertown?

There is no time difference between St. Theresa Point and Watertown.

Flight carbon footprint between St. Theresa Point Airport (YST) and Watertown Regional Airport (ATY)

On average, flying from St. Theresa Point to Watertown generates about 116 kg of CO2 per passenger, and 116 kilograms equals 256 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from St. Theresa Point to Watertown

See the map of the shortest flight path between St. Theresa Point Airport (YST) and Watertown Regional Airport (ATY).

Airport information

Origin	St. Theresa Point Airport
City:	St. Theresa Point
Country:	Canada
IATA Code:	YST
ICAO Code:	CYST
Coordinates:	53°50′44″N, 94°51′6″W

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