How many ending does Clannad have in Visual Novel?
The regular routes in the Visual Novel are with:


Fujibayashi Kyou
Fujibayashi Ryou
Furukawa Nagisa
Hiiragi Kappei
Ichinose Kotomi
Ibuki Fuko
Miyazawa Yukine
Sagare Misae
Sakagami Tomoyo
Sunohara Mei
Toshio Koumura


There are three additional endings for the after story of the original game (therefore, routes opening up after continuing to the after story of Furukawa Nagisa). Another spin-off game is available that includes an after story for Sakagami Tomoyo, and is called "Tomoyo After: It's a Wonderful Life".