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|---|---|---|---|---|
| 国道504号 | ||||
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| Route information | ||||
| Length | 145.1 km[1] (90.2 mi) | |||
| Existed | 1993–present | |||
| Major junctions | ||||
| North end |  National Route 269 in Kanoya, Kagoshima | |||
| South end |  National Route 3 in Izumi, Kagoshima | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 504 is a national highway of Japan connecting between Kanoya, Kagoshima and Izumi, Kagoshima in Japan, with total length has 145.1 km (90.2 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 10 February 2020.