From Kawaguchiko bus to Meitetsu Bus Centre. 4 h 20 min ¥4109. From 河口湖駅(1番) bus to Fujikyu-Highland then bus to Meitetsu Nagoya. 5 h 22 min ¥4413. From Kawaguchiko Station drive to Nagoya. 2 h 53 min ¥3745. From Kawaguchiko Station bus to Shinjuku Station West, bus to Tokyo Haneda airport, fly to Nagoya airport, then train to Nagoya. 5 h 17 min ¥13025.