Navigating the major hubs of Europe is efficient thanks to a world-class network of high-speed trains and frequent flight connections. For distances under 600km, rail is often the fastest and most sustainable choice, while budget airlines bridge the gap between more distant capitals like Lisbon and Stockholm.
Many of the cities on your list are connected by iconic high-speed rail services that take you from city center to city center:
For longer distances or routes involving geographical barriers (like the Alps or the Pyrenees for certain legs), flying is often more practical: