National Route 191 is a national highway in

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

connecting

Shimonoseki, Yamaguchi is a city located in Yamaguchi Prefecture, Japan. With a population of 265,684, it is the largest city in Yamaguchi Prefecture and the fifth-largest city in the Chūgoku region. It is located at the southwestern tip of Honshu facing the Tsushim ...

and

Naka-ku, Hiroshima is the heart of Hiroshima, Hiroshima Prefecture, Japan. Naka-ku is home to Hiroshima's central business district and Peace Memorial Park. Major attractions include the Hondori shopping arcade, a covered mall-like street of shops extending east ...

in Japan, with a total length of 284.1 km (176.53 mi).

References

National highways in Japan Roads in Hiroshima Prefecture Roads in Shimane Prefecture Roads in Yamaguchi Prefecture {{Japan-road-stub