Japan National Route 251

National Route 251
国道251号
Route information
Length148.2 km (92.1 mi)
Existed10 July 1956–present
Location
CountryJapan
Highway system
National Route 250 National Route 252

National Route 251 is a national highway of Japan connecting Nagasaki, Nagasaki and Isahaya, Nagasaki in Japan, with a total length of 148.2 km (92.09 mi).