The calculated distance (air line) between Masaki-chō and Kitakyushu is approximately 107 miles respectively 172 kilometers.
By car or train, the actual journey to Kitakyushu is certainly longer, as only the direct route (as the crow flies) between Masaki-chō and Kitakyushu has been calculated here.
Air line (approximately)
172 kilometers
93 nautical miles