The calculated distance (air line) between Hirakata and Tondabayashichō is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Tondabayashichō is certainly longer, as only the direct route (as the crow flies) between Hirakata and Tondabayashichō has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles