72521OHAkron-Canton Regional Airport40.92 9. 72429OHDayton Intl. Airport39.90 11. 72428OHJohn Glenn Columbus Intl. Air40.00 10. 72524OHCleveland Hopkins Intl. Airpo41.42 9. 72536OHToledo Express Flughafen41.60 7. 72525OHYoungstown41.27 6. 10400DLDüsseldorf Flughafen51.22 5. x9755OHKnox County Airport40.32 7.