Trainline, despite the annoying booking fee does, does this quite well for a good chunk of Europe. If you need timetables then Bahn.de also covers almost all o

Trainline, despite the annoying booking fee does, does this quite well for a good chunk of Europe. If you need timetables then Bahn.de also covers almost all of central Europe and the app is usable. You can even do eg London to Beijing. There's also the European Timetable book https://www.seat61.com/Thomas-Cook-European-Timetable.htm https://www.seat61.com/Thomas-Cook-European-Timetable.htm