Air Miles Calculator

Distance between Huntsville, AL (HSV) and Watertown, SD (ATY)

Flight distance from Huntsville to Watertown (Huntsville International Airport – Watertown Regional Airport) is 897 miles / 1444 kilometers / 780 nautical miles. Estimated flight time is 2 hours 11 minutes.

Driving distance from Huntsville (HSV) to Watertown (ATY) is 1138 miles / 1832 kilometers and travel time by car is about 19 hours 16 minutes.

Map of flight path and driving directions from Huntsville to Watertown.

Shortest flight path between Huntsville International Airport (HSV) and Watertown Regional Airport (ATY).

How far is Watertown from Huntsville?

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

Vincenty's formula (applied above)
  • 897.296 miles
  • 1444.059 kilometers
  • 779.729 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
  • 897.290 miles
  • 1444.048 kilometers
  • 779.724 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 Huntsville International Airport
City: Huntsville, AL
Country: United States Flag of United States
IATA Code: HSV
ICAO Code: KHSV
Coordinates: 34°38′13″N, 86°46′30″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 Huntsville and Watertown.

Time Difference

Huntsville, AL

 CST

Watertown, SD

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 143 kg (316 pounds).

Frequent Flyer Miles Calculator

Huntsville (HSV) → Watertown (ATY).

Distance:
897
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
897

Round trip?