National Route 237 is a national highway of Japan connecting Asahikawa, Hokkaidō and Urakawa, Hokkaidō in Japan, with a total length of 260 km (161.56 mi).
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National Route 237 is a national highway of Japan connecting Asahikawa, Hokkaidō and Urakawa, Hokkaidō in Japan, with a total length of 260 km (161.56 mi).