The calculated distance (air line) between Kamojimachō-jōgejima and Himeji is approximately 55 miles respectively 89 kilometers.
By car or train, the actual journey to Himeji is certainly longer, as only the direct route (as the crow flies) between Kamojimachō-jōgejima and Himeji has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles