Bussum is easily reached by train: Naarden-Bussum station is 21 minutes from Amsterdam Central, and 23 minutes from Utrecht via Hilversum. The centre of town is about 5-10 minutes walk from the station.
You can cycle from the centre of Amsterdam to the centre of Bussum, at an easy pace, in less than 2 hours. Most of the route has separate cycle lanes.
Bussum is easilly reached by car. The A1 passes all around the town.
