直通なしで最低1回乗り換え

一番早く着くのが、
17901
Lyon Part Dieu --> Torino Porta Nuova
Lyon Part Dieu 7:00
Chambery-Challes-E 8:25
Torino Porta Susa 11:19
Torino Porta Nuovaでも良い

R 2011
Torino Porta Nuova --> Milano Centrale
Torino Porta Nuova 11:50
Torino Porta Susa 11:57 11:59
Milano Centrale 13:45

恐らく最短。
RE 17983
Lyon Part Dieu --> Chambery-Challes-E
Lyon Part Dieu 8:41
Chambery-Challes-E 9:55

TGV 9241
Paris Lyon --> Bardonecchia
EC 9241
Bardonecchia --> Milano Centrale
Chambery-Challes-E 10:40 10:45
Milano Centrale 14:50

次は2回乗り換えで、

RE 96518
Lyon Part Dieu --> Amberieu
RE 96519
Amberieu --> Geneve
Lyon Part Dieu 10:58
Geneve 12:57

EC 39
Geneve --> Milano Centrale
Geneve 13:42 6
Milano Centrale 17:35

後は、これくらい。

TGV 6866
Montpellier Saint-Roch --> Bellegarde(Ain)
TGV 6867
Bellegarde(Ain) --> Geneve
Lyon Part Dieu 15:50 15:56
Geneve 17:35

EC 41
Geneve --> Milano Centrale
Geneve 18:42 6
Milano Centrale 22:35

夜行無しで、
EN 221
Paris-Bercy --> Venezia Santa Lucia
Dole Ville 23:47
Milano Centrale 5:38

これに、
RE 17658
Grenoble --> Dijon Ville
Lyon Part Dieu 20:12 20:22
Dijon Ville 22:24
で繋げるとか・・・