Yep, you'll have to go thru immigration (ie passport control) in CPH. That's very straight forward compared with the scrutinity in the US.
Rough guess in a busy time, 10 mins passport queue, 10 mins walking. SAS flies quite frequently to Nordic capitals, and if they arrive late, they'll get you to Oslo on the next plane.
-:- Message from TripAdvisor staff -:-
This topic has been closed to new posts due to inactivity. We hope you'll join the conversation by posting to an open topic or starting a new one.
To review the TripAdvisor Forums Posting Guidelines, please follow this link: http://www.tripadvisor.com/pages/forums_posting_guidelines.html
We remove posts that do not follow our posting guidelines, and we reserve the right to remove any post for any reason.