Air Miles Calculator logo

How far is Key West, FL, from Watertown, SD?

The distance between Watertown (Watertown Regional Airport) and Key West (Key West International Airport) is 1648 miles / 2652 kilometers / 1432 nautical miles.

The driving distance from Watertown (ATY) to Key West (EYW) is 2088 miles / 3361 kilometers, and travel time by car is about 38 hours 43 minutes.

Watertown Regional Airport – Key West International Airport

Distance arrow
1648
Miles
Distance arrow
2652
Kilometers
Distance arrow
1432
Nautical miles

Search flights

Distance from Watertown to Key West

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

Vincenty's formula (applied above)
  • 1647.894 miles
  • 2652.029 kilometers
  • 1431.981 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
  • 1649.654 miles
  • 2654.860 kilometers
  • 1433.510 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 Key West?

The estimated flight time from Watertown Regional Airport to Key West International Airport is 3 hours and 37 minutes.

Flight carbon footprint between Watertown Regional Airport (ATY) and Key West International Airport (EYW)

On average, flying from Watertown to Key West generates about 189 kg of CO2 per passenger, and 189 kilograms equals 417 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 Key West

See the map of the shortest flight path between Watertown Regional Airport (ATY) and Key West International Airport (EYW).

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 Key West International Airport
City: Key West, FL
Country: United States Flag of United States
IATA Code: EYW
ICAO Code: KEYW
Coordinates: 24°33′21″N, 81°45′34″W