Speaking of longest routes, this next one is sure to amaze all the train aficionados out there. What you are looking at is the longest possible direct route you can take using only trains. Fancy giving it a try yourself?

The route runs all the way from Vietnam, crossing through Asia and Europe and ending in Portugal. This is one impressive train journey that is no doubt worthy of Sheldon from The Big Bang Theory. He really loves trains, if you didn’t know.

We have already talked about Europe’s fondness for public transport and its numerous trains and metro lines. Of course, that makes us think of the infamously fast bullet trains of Japan. Have you ever wondered how fast Europe’s trains are?

Well, we don’t exactly know either, but here is a fun infographic that might give you a better idea of intra-European travel. This image shows how far you can travel by train from each major European city in less than a day.