93 miles: Chicago, IL (ORD / KORD) Chicago O'Hare International Airport
101 miles: Chicago, IL (MDW / KMDW) Chicago Midway International Airport
124 miles: Milwaukee, WI (MKE / KMKE) General Mitchell International Airport
215 miles: Green Bay, WI (GRB / KGRB) Austin Straubel International Airport
21 miles: Rockford, IL (RFD / KRFD) Chicago Rockford International Airport
85 miles: Moline, IL (MLI / KMLI) Quad City International Airport
93 miles: Chicago, IL (ORD / KORD) Chicago O'Hare International Airport
95 miles: Dubuque, IA (DBQ / KDBQ) Dubuque Regional Airport
101 miles: Chicago, IL (MDW / KMDW) Chicago Midway International Airport
107 miles: Madison, WI (MSN / KMSN) Dane County Regional Airport
113 miles: Peoria, IL (PIA / KPIA) General Wayne A. Downing Peoria International Airport
124 miles: Milwaukee, WI (MKE / KMKE) General Mitchell International Airport
32 miles: Rock Falls, IL (SQI / KSQI) Whiteside County Airport
34 miles: Freeport, IL (FEP / KFEP) Albertus Airport
37 miles: DeKalb, IL (DKB / KDKB) DeKalb Taylor Municipal Airport
60 miles: Aurora, IL (AUZ / KARR / ARR) Chicago/Aurora Municipal Airport
66 miles: Janesville, WI (JVL / KJVL) Southern Wisconsin Regional Airport
69 miles: Peru, IL (VYS / KVYS) Illinois Valley Regional Airport