Air Miles Calculator logo

How far is Chicago, IL, from Watertown, SD?

The distance between Watertown (Watertown Regional Airport) and Chicago (Chicago O'Hare International Airport) is 507 miles / 816 kilometers / 441 nautical miles.

The driving distance from Watertown (ATY) to Chicago (ORD) is 659 miles / 1060 kilometers, and travel time by car is about 11 hours 41 minutes.

Watertown Regional Airport – Chicago O'Hare International Airport

Distance arrow
507
Miles
Distance arrow
816
Kilometers
Distance arrow
441
Nautical miles

Search flights

Distance from Watertown to Chicago

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

Vincenty's formula (applied above)
  • 507.085 miles
  • 816.074 kilometers
  • 440.645 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
  • 506.003 miles
  • 814.333 kilometers
  • 439.705 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 Chicago?

The estimated flight time from Watertown Regional Airport to Chicago O'Hare International Airport is 1 hour and 27 minutes.

What is the time difference between Watertown and Chicago?

There is no time difference between Watertown and Chicago.

Flight carbon footprint between Watertown Regional Airport (ATY) and Chicago O'Hare International Airport (ORD)

On average, flying from Watertown to Chicago generates about 100 kg of CO2 per passenger, and 100 kilograms equals 220 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 Chicago

See the map of the shortest flight path between Watertown Regional Airport (ATY) and Chicago O'Hare International Airport (ORD).

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 Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W