Air Miles Calculator logo

How far is Rockford, IL, from Dubois, PA?

The distance between Dubois (DuBois Regional Airport) and Rockford (Chicago Rockford International Airport) is 532 miles / 856 kilometers / 462 nautical miles.

The driving distance from Dubois (DUJ) to Rockford (RFD) is 588 miles / 947 kilometers, and travel time by car is about 10 hours 56 minutes.

DuBois Regional Airport – Chicago Rockford International Airport

Distance arrow
532
Miles
Distance arrow
856
Kilometers
Distance arrow
462
Nautical miles

Search flights

Distance from Dubois to Rockford

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

Vincenty's formula (applied above)
  • 531.916 miles
  • 856.036 kilometers
  • 462.222 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
  • 530.569 miles
  • 853.868 kilometers
  • 461.052 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 Dubois to Rockford?

The estimated flight time from DuBois Regional Airport to Chicago Rockford International Airport is 1 hour and 30 minutes.

Flight carbon footprint between DuBois Regional Airport (DUJ) and Chicago Rockford International Airport (RFD)

On average, flying from Dubois to Rockford generates about 103 kg of CO2 per passenger, and 103 kilograms equals 228 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dubois to Rockford

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

Airport information

Origin DuBois Regional Airport
City: Dubois, PA
Country: United States Flag of United States
IATA Code: DUJ
ICAO Code: KDUJ
Coordinates: 41°10′41″N, 78°53′55″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