Airports Serving Oensingen 14 of 14 Matching Airports Grenchen Grenchen, Switzerland17.3 miles Mulhouse EuroAirportPO Box 60120 Mulhouse, France 6830422.4 miles Basel EuroAirportPO Box 60120 Basel, Switzerland 6830422.8 miles Belp Bern, Switzerland28.6 miles Zurich Zurich, Switzerland 805840.6 miles Fontaine Belfort, France41.5 miles Colmar-Houssen Colmar, France58.8 miles Black Forest Lahr, Germany74.4 miles Sion Sion, Switzerland76.7 miles Strasbourg IntlEntzheim Strasbourg, France 6796086 miles Altenrhein Altenrhein, Switzerland87 miles FriedrichshafenAm Flugplatz 64 Friedrichshafen, Germany 8804687.9 miles Kau Kau, Indonesia89.4 miles Hohenems/Dornbim Hohenems, Austria92.7 miles