• From
Oita (Omichi Entrance intersection) to
Bungo-ono Inukai Bypass junction:
Route 10 • From
Oita (Funai Bridge North intersection) to Oita (Miyazaki intersection):
Route 210 • From
Taketa (Aiai-Shichiri intersection) to Taketa (Aiai-Hira intersection):
Route 442 • From
Aso Ichinomiya-machi Sakanashi (Sakanashi intersection) to Aso Kurokawa (Uchinomaki Onsen Entrance intersection):
Route 265 • From
Minamiaso (Aso Bridge intersection) to
Ōzu (Muro intersection):
Route 325 • From
Minami-ku, Kumamoto (Chikami-machi intersection) to
Uto (Matsuwara intersection):
Route 3 • From
Uki Misumi-machi Misumiura (Gokyō Entrance intersection) to Uki
Misumi-machi Misumiura (Misumi Port intersection):
Route 266 • From
Shimabara Minato-machi (Shimabara Gaikō intersection) to Shimabara Shinwa-machi (Unzen Higashi Tozanguchi intersection):
Route 251 • From
Unzen Obama-cho Obama to Unzen
Obama-cho Minamikisashi:
Route 389 • From
Unzen Obama-cho Marina (Unzen Nishi Tozanguchi intersection) to Unzen
Aino-machi Otsu (Aino Tenbōdai-mae intersection):
Route 251 • From
Unzen Aino-machi (Aino intersection) to
Isahaya:
Route 251 • From
Isahaya (Obunakoshi-machi intersection) to Isahaya
Tarami-chō Geya (Kikitsu Station East Entrance intersection):
Route 207 • From
Isahaya (Obunakoshi Tunnel intersection) to
Nagasaki (Kenchōmae intersection):
Route 34 • From
Nagasaki (Yagami-machi intersection) to
Nagasaki (Kenchōmae intersection):
Route 251 ==Municipalities passed through==