National Route 330 is a national highway of

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

connecting

Okinawa, Okinawa is the second-largest city in Okinawa Prefecture, Japan, following Naha, the capital city. It is located in the central part of the island of Okinawa, about north of Naha. As of 1 October 2020, the city has an estimated population of 142,752 a ...

and

Naha, Okinawa is the Cities of Japan, capital city of Okinawa Prefecture, the southernmost prefecture of Japan. As of 1 June 2019, the city has an estimated population of 317,405 and a population density of 7,939 people per km2 (20,562 persons per sq. mi.). ...

in Japan, with a total length of 26.1 km (16.22 mi).

References

National highways of Japan Roads in Okinawa Prefecture 1972 establishments in Japan {{Japan-road-stub