National Route 217 (国道217号, Kokudō Nihyaku-jūnana-gō) is a national highway of Japan connecting Ōita and Saiki in Japan, with a total length of 92.3 km (57.35 mi).
^"一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 18 February 2020.