The fastest trains from London to Zurich take around 7 hours and 25 minutes, covering a distance of approximately 777 kilometres. On weekdays, the first train leaving London is scheduled to depart at around 05:40. The last departure is usually at around 20:01.
It's easy to travel from the UK to Germany by train. Take Eurostar from London to Brussels in 2 hours, switch to a high-speed ICE train to Cologne taking 1h57, then take another luxurious ICE train to Munich, Berlin, Hamburg or anywhere in Germany.
It is easy to travel by train to France in a day from the UK. The fastest route is to take the Eurostar from London St Pancras International Railway Station to either Lille Europe (1 hour 22 mins) or to Gare du Nord in the French capital Paris (2 hours 16 mins).