It takes approximately 4h 19m to get from Osaka to Mount Fuji, including transfers. Train or bus from Osaka to Mount Fuji? The best way to get from Osaka to Mount Fuji is to train via Nagoya which takes 4h 19m and costs ¥33000 - ¥46000. Alternatively, you can bus, which costs ¥27000 - ¥35000 and takes 6h 52m.