National Route 210 is a national highway of Japan connecting Kurume and à Âita in Japan, with a total length of 136.2 km (84.63 mi).
The highway passes through the cities of Kurume and Ukiha in Fukuoka Prefecture, and also Hita, Kusu, Yufuin and Yufu in à Âita Prefecture, before ending in à Âita. It runs roughly parallel to Kyà «dai Main Line, a JR Kyushu railway line between Kurume and à Âita, and à Âita Expressway, which the route directly connects to via in Yufuin.