How far is Watertown, SD, from Gillam?

The distance between Gillam (Gillam Airport) and Watertown (Watertown Regional Airport) is 798 miles / 1284 kilometers / 694 nautical miles.

The driving distance from Gillam (YGX) to Watertown (ATY) is 1027 miles / 1653 kilometers, and travel time by car is about 22 hours 34 minutes.

Distance from Gillam to Watertown

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

Vincenty's formula (applied above)

• 798.125 miles
• 1284.458 kilometers
• 693.552 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

• 797.760 miles
• 1283.871 kilometers
• 693.235 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 Gillam to Watertown?

The estimated flight time from Gillam Airport to Watertown Regional Airport is 2 hours and 0 minutes.

What is the time difference between Gillam and Watertown?

There is no time difference between Gillam and Watertown.

Flight carbon footprint between Gillam Airport (YGX) and Watertown Regional Airport (ATY)

On average, flying from Gillam to Watertown generates about 135 kg of CO2 per passenger, and 135 kilograms equals 297 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Gillam to Watertown

See the map of the shortest flight path between Gillam Airport (YGX) and Watertown Regional Airport (ATY).

Airport information

Origin	Gillam Airport
City:	Gillam
Country:	Canada
IATA Code:	YGX
ICAO Code:	CYGX
Coordinates:	56°21′26″N, 94°42′38″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