Japan National Route 304
 | |
|---|---|
| 国道304号 | |
| 国道304号 | |
.JPG) | |
| Route information | |
| Length | 48.6 km (30.2 mi) |
| Location | |
| Country | Japan |
| Highway system | |
National Route 304 is a national highway of Japan connecting Kanazawa, Ishikawa and Nanto, Toyama in Japan, with a total length of 48.6 km (30.2 mi).
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