Air Miles Calculator

Distance between Sioux City, IA (SUX) and Watertown, SD (ATY)

Flight distance from Sioux City to Watertown (Sioux Gateway Airport – Watertown Regional Airport) is 178 miles / 286 kilometers / 154 nautical miles. Estimated flight time is 50 minutes.

Driving distance from Sioux City (SUX) to Watertown (ATY) is 196 miles / 315 kilometers and travel time by car is about 3 hours 3 minutes.

Map of flight path and driving directions from Sioux City to Watertown.

Shortest flight path between Sioux Gateway Airport (SUX) and Watertown Regional Airport (ATY).

How far is Watertown from Sioux City?

There are several ways to calculate distances between Sioux City and Watertown. Here are two common methods:

Vincenty's formula (applied above)
  • 177.626 miles
  • 285.861 kilometers
  • 154.353 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
  • 177.740 miles
  • 286.044 kilometers
  • 154.452 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).

Airport information


A Sioux Gateway Airport
City: Sioux City, IA
Country: United States Flag of United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″W

B 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

Time difference and current local times

There is no time difference between Sioux City and Watertown.

Time Difference

Sioux City, IA

 CST

Watertown, SD

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 51 kg (113 pounds).

Frequent Flyer Miles Calculator

Sioux City (SUX) → Watertown (ATY).

Distance:
178
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
178

Round trip?