Copenhagen is a game that makes city planning a competition that's a little bit beauty contest and a little bit Tetris.

Getting to both Copenhagen and Oslo is very easy. They both have major airports, and getting to the city center is an easy train ride away. Both cities also have robust public transportation systems.

Taxis are plentiful but come at a cost. To get between the city center and Copenhagen Airport (CPH), you can use any form of public transportation or hail a taxi. If you don't fly into the airport ...