Itinerary

4-Sep - Narita - Tokyo (79km)
5-Sep - Tokyo
6-Sep - Tokyo-Sendai-Masushima-Sendai-Ichinoseki-Hiraizumi (494km)
7-Sep - Hiraizumi-Morioka-Hachinohe-Hakodate (451km)
8-Sep - Hakodate-Sapporo (318km)
9-Sep - Sapporo-Asahikawa/Sunkyo Onsen (136km)
10-Sep - Sunkyo Onsen/Kamikawa-Abashiri-Kawayu Onsen (269km)
11-Sep - Kawayu Onsen-Kushiro (89km)
12-Sep - Kushiro-Chitose-Hakodate-Aomori-Hirosaki (791km)
13-Sep - Hirosaki-Akita-Tsuruoka/Haguro (281km)
14-Sep - Haguro/Tsuruoka-Niigata (140km)
15-Sep - Niigata-Tokyo (330km)
16-Sep - Tokyo-Narita (79km)

Total: 3457 km in train, some by bus and some walking