10400DLDüsseldorf Flughafen51.22 16. 72639MIAlpena45.07 5. 72537MIDetroit Metropolitan Wayne Co42.23 7. 72637MIBishop Intl. Airport42.97 3. 72635MIGerald R. Ford Intl. Airport42.88 4. 72638MIRoscommon44.35 1. 72539MICapital Region Flughafen42.77 4. 72636MIMuskegon43.17 7. x1346MIGogebic- Iron County Airport46.53 -1. y9222MIGrayling Airport44.67 -1. x1345MIFord Airport45.82 -1. x1333MIWexford44.28 -1.