How far is Rockford, IL, from Washington D.C.?
The distance between Washington D.C. (Ronald Reagan Washington National Airport) and Rockford (Chicago Rockford International Airport) is 675 miles / 1086 kilometers / 586 nautical miles.
The driving distance from Washington D.C. (DCA) to Rockford (RFD) is 786 miles / 1265 kilometers, and travel time by car is about 14 hours 47 minutes.
Ronald Reagan Washington National 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)- 674.846 miles
- 1086.059 kilometers
- 586.425 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- 673.446 miles
- 1083.806 kilometers
- 585.208 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 Ronald Reagan Washington National Airport to Chicago Rockford International Airport is 1 hour and 46 minutes.
What is the time difference between Washington D.C. and Rockford?
Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Chicago Rockford International Airport (RFD)
On average, flying from Washington D.C. to Rockford generates about 122 kg of CO2 per passenger, and 122 kilograms equals 268 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 Ronald Reagan Washington National Airport (DCA) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″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 |