China National Highway 225 () runs from Haikou in Hainan to Sanya, Hainan. It is 429 kilometres in length. It is the western part of Hainan Ring Highway. (The eastern part of the ring is China National Highway 223).
Along most of its length, Highway 225 parallels Hainan Western Ring Railway.
Route and distance Route and distance City Distance (km) Haikou, Hainan 0 Xiuying District, Hainan 8 Lingao County, Hainan Danzhou, Hainan 135 Changjiang Li Autonomous County, Hainan Basuo Town, Dongfang City, Hainan 254 Sanya, Hainan 429
See also
China National Highways