Explore details about location 国道222号. 国道222号 is a location situated within the 日南市 alongside other areas such as 国道220号, 日南富士トンネル, 国道220号日南海岸ロードパーク. Additionally, some smaller parts of 国道222号 include specific areas like 内之田松永線, 日南高岡線 adding to the diversity of its landscape.