Air Miles Calculator logo

Distance between Washington D.C. (IAD) and Rockford, IL (RFD)

Flight distance from Washington D.C. to Rockford (Washington Dulles International Airport – Chicago Rockford International Airport) is 652 miles / 1049 kilometers / 566 nautical miles. Estimated flight time is 1 hour 44 minutes.

Driving distance from Washington D.C. (IAD) to Rockford (RFD) is 778 miles / 1252 kilometers and travel time by car is about 14 hours 40 minutes.

Washington D.C. – Rockford

Distance arrow
652
Miles
Distance arrow
1049
Kilometers
Distance arrow
566
Nautical miles

How far is Rockford from Washington D.C.?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 651.655 miles
  • 1048.737 kilometers
  • 566.272 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
  • 650.304 miles
  • 1046.564 kilometers
  • 565.099 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 Washington D.C. to Rockford?

Estimated flight time from Washington Dulles International Airport to Chicago Rockford International Airport is 1 hour 44 minutes.

What is the time difference between Washington D.C. and Rockford?

The time difference between Washington D.C. and Rockford is 1 hour. Rockford is 1 hour behind Washington D.C..
Washington D.C. time to Rockford time converter

Flight carbon footprint between Washington Dulles International Airport (IAD) and Chicago Rockford International Airport (RFD)

On average flying from Washington D.C. to Rockford generates about 119 kg of CO2 per passenger, 119 kilograms is equal to 262 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Washington D.C. to Rockford

Shortest flight path between Washington Dulles International Airport (IAD) and Chicago Rockford International Airport (RFD).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W
Destination 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