x2289IUSt. Louis Regional Airport38.90. x1217IUSouthern Illinois Airport37.78. x1238IUCentralia38.52. x1226IUDecatur Airport39.83. x1224IUSt. Louis Downtown Airport38.57. x1241IUEffingham39.07. x1237IUFairfield Municipal Airport38.42. x1239IUFlora38.67. x1234IUHarrisburg37.82. x1245IUJacksonville Flughafen39.77. x1231IUJoliet Regional Airport41.52. x9741IULacon Flughafen41.02. x1230IULawrenceville- Vincennes Intl38.77. x1246IULogan County Airport40.15. x9742IULitchfield Municipal Airport39.15. x1227IUColes39.48. x9743IUMetropolis Municipal Airport37.17. x1216IUMount Vernon Airport38.32. x1240IUOlney-Noble38.72. x1243IUPittsfield39.63. 72433IUSalem-Leckrone38.65. x1235IUSparta38.15. x1242IUTaylorville Flughafen39.53. x1218IUMidAmerica St. Louis Airport38.55. y9160IUCairo Flughafen37.05. x1225IUChampaign Flughafen40.03. y9162IUVermilion Regional Airport40.20. x1219IUVeterans Airport of Southern 37.75. y9167IUMount Carmel Flughafen38.60. y9168IUEdgar County Airport39.70. y9170IUPontiac Flughafen40.92. y9171IURantoul National Aviation Cen40.28. 72439IUAbraham Lincoln Capital Airpo39.85. y9174IUSavanna Flughafen42.03 26. 72534IUChicago Midway Airport41.78 31. 72543IURockford Flughafen42.20 30. x1233IULewis University Airport41.60 33. y9163IUDeKalb Flughafen41.93 31. y9159IULansing Flughafen41.53 28. y9173IURochelle Municipal Airport41.88 26. x1232IUWaukegan National Airport42.37 35. x1244IUChicago Executive Airport42.12 31. y9166IUMacomb Municipal Airport40.52 26. 72530IUChicago O'Hare Intl. Air41.98 33. y9164IUFreeport Flughafen42.23 35. 72544IUQuad Cities Intl. Airport41.45 39. x9744IUMorris Flughafen41.42 26. 72532IUPeoria Flughafen40.67 33. y9169IUIllinois Valley Regional Airp41.35 26. x1220IUQuincy Regional Airport39.93 28. x1223IUDuPage Airport41.88 37. x1236IUAurora Municipal Airport41.77 30. x1221IUCentral Illinois Regional Air40.48 28. 10400DLDüsseldorf Flughafen51.22 32. y9165IUGalesburg Municipal Airport40.93 28.