The calculated distance (air line) between Kawanishi and Tondabayashichō is approximately 24 miles respectively 39 kilometers.
By car or train, the actual journey to Tondabayashichō is certainly longer, as only the direct route (as the crow flies) between Kawanishi and Tondabayashichō has been calculated here.
Air line (approximately)
39 kilometers
21 nautical miles