| National Route 437 | |
|---|---|
| 国道437号 | |
| Route information | |
| Length: | 61.7 km (38.3 mi) |
| Highway system | |
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National highways of Japan Expressways of Japan |
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National Route 437 is a national highway of Japan connecting Matsuyama, Ehime and Iwakuni, Yamaguchi in Japan, with a total length of 61.7 km (38.34 mi).