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

The distance between Rockford (Chicago Rockford International Airport) and Watertown (Watertown Regional Airport) is 446 miles / 717 kilometers / 387 nautical miles.

The driving distance from Rockford (RFD) to Watertown (ATY) is 607 miles / 977 kilometers, and travel time by car is about 10 hours 57 minutes.

Chicago Rockford International Airport – Watertown Regional Airport

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446
Miles
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717
Kilometers
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387
Nautical miles

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Distance from Rockford to Watertown

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

Vincenty's formula (applied above)
  • 445.703 miles
  • 717.289 kilometers
  • 387.305 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
  • 444.776 miles
  • 715.798 kilometers
  • 386.500 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 Rockford to Watertown?

The estimated flight time from Chicago Rockford International Airport to Watertown Regional Airport is 1 hour and 20 minutes.

What is the time difference between Rockford and Watertown?

There is no time difference between Rockford and Watertown.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Watertown Regional Airport (ATY)

On average, flying from Rockford to Watertown generates about 91 kg of CO2 per passenger, and 91 kilograms equals 200 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rockford to Watertown

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Watertown Regional Airport (ATY).

Airport information

Origin Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W
Destination 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