The calculated distance (air line) between Toyonaka and Tondabayashichō is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Tondabayashichō is certainly longer, as only the direct route (as the crow flies) between Toyonaka and Tondabayashichō has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles