Public transportation in France is very strong and their trains are fast and on time. This map shows all the routes and stations of the trains in Paris.
RATP, transports à Paris et en Ile-de-France : bus, métro, tramway, RER
How to plan & book a journey on the Trans-Siberian Railway
Charles de Gaulle Airport (CDG) to Paris by Train | Paris by Train
MIIN London Train Route Planner No description http://www.comparestoreprices.co.uk/december-2016-week-1/miin-london-train-route-planner.asp
Paris Router Finder Tool
Bus/Local Train Route Search System for Kyoto
Transport RATP in Paris and Ile-de-France: bus, metro, tramway and RER. Shows which routes to take.
The good folks at Hitachi Information Systems are kind enough to provide an English-language website which accesses fares and timetables of the major rail lines in Japan. This is a great asset for rail travel planning in Japan.