Sion Airport alternate airfield for the Air Force. Sion Airport Sion Airport (Military: LSMS) is the airport of the city of Sion, Switzerland and is located 2.5 km southwest of Sion city in the Rhone Valley. The airport opened in 1935. The following airlines offer seasonal and charter flights at Sion Airport: The nearest larger international airport is Geneva Airport, approx. to the west, while the smaller Bern Airport is equidistant to the north. The Swiss Air Force uses Sion as one of their four jetfighter air bases, the others being Payerne, Meiringen and Emmen. It is known as "Flugplatzkommando 14 Sion".
Sion, Netherlands a new residential area in Sion. Sion, Netherlands Sion is a hamlet in the Dutch municipality of Rijswijk. It is located on the border with Delft, and has a population of about 210. In 1345, the monastery "Sancta Maria in Monte Sion" was built in this area. It was demolished on the orders of the city of Delft in 1572, when Spanish troops approached the city, and was never rebuilt. In the 17th century, an estate was built on the grounds of the former monastery, and in the 19th century, it was divided into small parts and made into farms.