Airports 501 to 550
Northwestern Medicine McHenry Hospital Heliport
Andrew RLA Restricted Landing Area Airport
OSF Saint Francis Medical Center Heliport
William Quinton Restricted Landing Area
Methodist Medical Center of Illinois Heliport
Cady Aerial Restricted Landing Area
Campbell Airport
Chicago Rockford International Airport
Chicago/Rockford, Illinois, United States — 123 km (66 nm) NNW