 | You can help expand this article with text translated from the corresponding article in Japanese. (February 2022) Click [show] for important translation instructions.
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| 国道221号 | ||||
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| Route information | ||||
| Length | 74.6 km[1] (46.4 mi) | |||
| Existed | 18 May 1953–present | |||
| Major junctions | ||||
| North end |  National Route 219 in Hitoyoshi | |||
| South end |  National Route 10 in Miyakonojō | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 221 is a national highway of Japan connecting Hitoyoshi and Miyakonojō in Japan, with a total length of 74.6 km (46.4 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 18 February 2020.