| National Route 339 | |
|---|---|
| 国道339号 | |
| Route information | |
| Length: | 108.4 km (67.4 mi) |
| Highway system | |
National Route 339 is a national highway of Japan connecting Hirosaki, Aomori and Sotogahama, Aomori in Japan, with a total length of 108.4 km (67.36 mi). The final 0.4km of the highway is actually a staircase.