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