We’d like to see all of these places but we’re not quite young enough to see everything in two weeks. Curious to hear people rate these places. We’re probably looking at a trip of 3 of the above. Thoughts?
It would be helpful to have more information, especially your interests. Do you like hiking? Walking? Museums? Food? It would also help to know what time of year you plan to travel.
In addition to Mardee's questions, how are you planning to get around? Of you're list, I've only been to Norway. 2 years ago we spent 2 ½ weeks there traveling by coastal ferry, bus, train and plane. Very easy to get around and the scenery is spectacular.
Finland and Tallin are a natural pairing with Helsinki and Tallin just a 2 hour ferry ride apart. I see Copenhagen and Sweden as another pairing separated by just a bridge. Norway is a bit more of an outlier, but probably a better fit with Copenhagen and Sweden.
Do you have specific goals for each location?