Airports 551 to 600
Waukegan National Airport
Chicago/Waukegan, Illinois, United States — 210 km (113 nm) SSE
O John Clark Restricted Landing Area
Northwestern Medicine McHenry Hospital Heliport
Poplar Grove Airport
Mayo Clinic Health System-Oakridge Heliport
Memorial Hospital of Lafayette County Heliport
NW Lake Forest Hospital-Grayslake Heliport
Kings Land O' Lakes Airport
Land O' Lakes, Wisconsin, United States — 217 km (117 nm) NNW