The calculated distance (air line) between Sakai and Tondabayashichō is approximately 10 miles respectively 15 kilometers.
By car or train, the actual journey to Tondabayashichō is certainly longer, as only the direct route (as the crow flies) between Sakai and Tondabayashichō has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles