This information about transportation options in Vastervik might help your romantic trip go off without a hitch: To get to Vastervik, you can fly into Oskarshamn (OSK), which is the closest major airport, located 28.6 mi (46 km) from the city center. If you want to journey outside of the area, ride aboard a train from Vastervik Station, Tjustskolan Station, or Verkebäck Station.