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How far is Washington D.C. from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Washington D.C. (Washington Dulles International Airport) is 652 miles / 1049 kilometers / 566 nautical miles.

The driving distance from Rockford (RFD) to Washington D.C. (IAD) is 776 miles / 1249 kilometers, and travel time by car is about 14 hours 41 minutes.

Chicago Rockford International Airport – Washington Dulles International Airport

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652
Miles
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1049
Kilometers
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566
Nautical miles

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Distance from Rockford to Washington D.C.

There are several ways to calculate the distance from Rockford to Washington D.C.. Here are two standard 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 planet.

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 Rockford to Washington D.C.?

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

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

On average, flying from Rockford to Washington D.C. generates about 119 kg of CO2 per passenger, and 119 kilograms equals 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 Rockford to Washington D.C.

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Washington Dulles International Airport (IAD).

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 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