The calculated distance (air line) between Ureshinomachi-shimojuku and Kitakyushu is approximately 71 miles respectively 114 kilometers.
By car or train, the actual journey to Kitakyushu is certainly longer, as only the direct route (as the crow flies) between Ureshinomachi-shimojuku and Kitakyushu has been calculated here.
Air line (approximately)
114 kilometers
61 nautical miles