Originally Posted by
Dans6362
1/ There is a direct train link between the airport & main Oslo Station. Trains every 30 minutes for a 30 minute trip.
Every 10 minutes on weekdays, actually, but not all trains continue past the Central Station.
Schedule.
Good advice from the previous posters: The viking ships are a must, and opera and National gallery are good suggestions.
Really, seriously, you shouldn't go to Oslo without seeing the viking ships.