How far is Rockford, IL, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Rockford (Chicago Rockford International Airport) is 652 miles / 1049 kilometers / 566 nautical miles.
The 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 Dulles International Airport – Chicago Rockford International Airport
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Distance from Washington D.C. to Rockford
There are several ways to calculate the distance from Washington D.C. to Rockford. 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 Washington D.C. to Rockford?
The estimated flight time from Washington Dulles International Airport to Chicago Rockford International Airport is 1 hour and 44 minutes.
What is the time difference between Washington D.C. and Rockford?
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, 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 Washington D.C. to Rockford
See the map of the 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  |
| 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 |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |