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|---|---|---|---|---|
| 国道138号 | ||||
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| Route information | ||||
| Length | 61.4 km[1] (38.2 mi) | |||
| Existed | 1953–present | |||
| Major junctions | ||||
| West end |   National Route 137 / National Route 139 in Fujiyoshida, Yamanashi | |||
| East end |   National Route 1 / National Route 255 in Odawara, Kanagawa | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 138 is a national highway of Japan connecting Fujiyoshida, Yamanashi and Odawara, Kanagawa in Japan, with a total length of 61.4 km (38.15 mi).
- ^ "一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 19 February 2020.