For travel in Spain using trains, read Buying Renfe Tickets Online.
I am sorry but I have no information traveling beyond Spain's borders.
This site will find your train routing - http://www.bahn.de/i/view/GBR/en/index.shtml
-:- 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.