1. First drive from Ogilvy Tower to Jiangdong Middle Road, with a distance of ***3.6 kilometers.
2. Secondly, get on the bus at Jiangdong Middle Road and get off at Mengdu Street, with a distance of ***3. 1 km.
3. Finally, walk 0.34 km from Mengdu Street to Nanjing Huahan Qizhi Beauty Hospital. So it is 3.36km+3.1km+0.34km = 6.8km from Ogilvy Building to Nanjing Huahan Qizhi Beauty Hospital.