Airports 601 to 650
O John Clark Restricted Landing Area
Campbell Airport
Midwestern Regional Medical Center Heliport
Door County Cherryland Airport
Dubuque Regional Airport
Waukegan National Airport
Chicago/Waukegan, Illinois, United States — 191 km (103 nm) SE
Tomahawk Regional Airport
NW Lake Forest Hospital-Grayslake Heliport
Lake in the Hills Airport
Chicago/Lake in the Hills, Illinois, United States — 192 km (103 nm) SSE
Crystal Lake Holiday Inn Heliport
Mercyhealth Crystal Lake Hospital Heliport
Northwestern Medicine Huntley Hospital Heliport
Williard Nycum Restricted Landing Area Airport
Mount Carroll, Illinois, United States — 194 km (105 nm) SSW