Kansai International Airport to tokyo

Hi there,

According to the list of exchange offices, the ticket office at Kansai airport is open until 23:00 to exchange JR Passes, so you should be fine arriving at 21:30.

For reference, here are the approximate costs of your proposed legs. You can find more costs and times for trains at the Hyperdia travel planning website.

Kansai airport > Tokyo: ¥15330, (264mins, 613km)
Tokyo > Tokyo disneyland station: ¥460, (264mins, 613km)
Tokyo disneyland station > Tokyo: ¥460, (264mins, 613km)
Tokyo > Tokyo disney sea: ¥460, (264mins, 613km)
Tokyo disney sea > Tokyo: ¥460, (264mins, 613km)
Tokyo > Nagano: ¥7770, (105mins, 222km)
Nagano > Tokyo: ¥7770, (106mins, 222km)
Tokyo > Gotemba: ¥4510, (102mins, 150km)
Gotemba > Tokyo: ¥4510, (93mins, 150km)
Tokyo > Osaka: ¥13550, (194mins, 556km)
Osaka > Kyoto: ¥540, (29mins, 42km)
Kyoto > Osaka: ¥540, (28mins, 42km)
Osaka > Kansai airport: ¥2940, (57mins, 64km)

TOTAL: ¥59,300 for 13 legs

Hope this helps!