# 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
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
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.

CST

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?