The calculated distance (air line) between Ishii and Kamojimachō-jōgejima is approximately 5 miles respectively 8 kilometers.
By car or train, the actual journey to Kamojimachō-jōgejima is certainly longer, as only the direct route (as the crow flies) between Ishii and Kamojimachō-jōgejima has been calculated here.
Air line (approximately)
8 kilometers
5 nautical miles