There is one place named Sion Airport in Switzerland.
All places in the world called "Sion Airport".
Wiler (4)
Au (4)
Oberdorf (3)
Burglen (3)
Oberwil (3)
Ried (3)
Oberried (3)
Aesch (3)
Ruti (3)
Blatten (3)
Stein (3)
Buren (3)
Langnau (3)
Schlatt (3)
Munster (3)
Stalden (3)
Buchen (3)
Kulm (3)
Coppet (2)
Grund (2)
Lohn (2)
Ranft (2)
Schwanden (2)
Wiggen (2)
Boden (2)
Eschenbach (2)
Hofstetten (2)
Ronco (2)
Teufen (2)
Gossau (2)