About this sound Sandvika is the administrative centre of the municipality of Bærum in Norway. It was declared a city by the municipal council in Bærum on 4 June 2003.Sandvika is situated approximately 15 kilometers (9.3 mi) west of Oslo. It is the main transportation hub for Western Bærum, and has a combined bus and railway station. Sandvika is also one of the stops along the route of the Airport Express Train.