Explore details about location 国道404号線. 国道404号線 is a location situated within the 長岡市 alongside other areas such as 向山越後川口停車場線, 中永宮本線, 国道351号線. Additionally, some smaller parts of 国道404号線 include specific areas like 国道8号, 大荒戸越路線, 国道8号線 adding to the diversity of its landscape.