The calculated distance (air line) between Narutochō-mitsuishi and Kamojimachō-jōgejima is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Kamojimachō-jōgejima is certainly longer, as only the direct route (as the crow flies) between Narutochō-mitsuishi and Kamojimachō-jōgejima has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles