The calculated distance (air line) between Toyoshina and Nishinomiya-hama is approximately 181 miles respectively 292 kilometers.
By car or train, the actual journey to Nishinomiya-hama is certainly longer, as only the direct route (as the crow flies) between Toyoshina and Nishinomiya-hama has been calculated here.
Air line (approximately)
292 kilometers
157 nautical miles