The calculated distance (air line) between Amagasaki and Tondabayashichō is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Tondabayashichō is certainly longer, as only the direct route (as the crow flies) between Amagasaki and Tondabayashichō has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles