National Route 456 is a

national highway National highway or National Highway may refer to: * National Highways (England) * National Highway (Australia) * List of National Roads in Belgium * Brunei National Roads System * National Highway System (Canada) * Trans-Ca ...

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

Morioka, Iwate is the capital city of Iwate Prefecture located in the Tōhoku region of northern Japan. On 1 February 2021, the city had an estimated population of 290,700 in 132,719 households, and a population density of . The total area of the city is . G ...

and

Motoyoshi, Miyagi was a town located in Motoyoshi District, Miyagi Prefecture, Japan. In 2003, the town had an estimated population of 11,716 and a population density of 109.80 persons per km². The total area was 106.70 km². Motoyoshi was divided into four ...

in Japan, with a total length of 154.5 km (96 mi).

References

National highways in Japan Roads in Iwate Prefecture Roads in Miyagi Prefecture {{Japan-road-stub