National Route 377 is a national highway of Japan connecting

Naruto, Tokushima is a city located in Tokushima Prefecture, Japan. , the city had an estimated population of 54,989 in 26,206 households and a population density of 410 persons per km². The total area of the city is . Geography Naruto is located in the northea ...

and

Kan'onji, Kagawa 270px, Kan'onji City Hall 270px, Aerial view of Kan'onji city center is a city located in Kagawa Prefecture, Japan. , the city had an estimated population of 57,921 in 25510 households and a population density of 490 persons per km². The total ...

in Japan, with a total length of 129.9 km (80.72 mi).

References

National highways in Japan Roads in Kagawa Prefecture Roads in Tokushima Prefecture {{Japan-road-stub