The calculated distance (air line) between Shisō and Nishinomiya-hama is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Nishinomiya-hama is certainly longer, as only the direct route (as the crow flies) between Shisō and Nishinomiya-hama has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles