Japan National Route 390
| National Route 390 | ||||
|---|---|---|---|---|
| 国道390号 | ||||
Japan National Route 390 highlighted in red | ||||
| Route information | ||||
| Length | 58.2 km (36.2 mi) | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 390 (国道390号, Kokudō Sanbyaku kyu-jū-gō) is both the southernmost and westernmost of the national highways of Japan. It connects Ishigaki, Okinawa on Ishigaki Island, to Miyako-jima, and Naha, Okinawa on Okinawa Island in Japan. Spanning the three islands by ferry, the highway has a total length of 58.2 kilometers (36.2 mi) on land and 552.2 kilometers (343.1 mi) when maritime distance is added.