Explore details about location 国道3号. 国道3号 is a location situated within the 宗像市 alongside other areas such as 宗像玄海線, 福間宗像玄海線, 国道495号. Additionally, some smaller parts of 国道3号 include specific areas like 宗像篠栗線, 宗像若宮線, 町川原赤間線 adding to the diversity of its landscape.