The calculated distance (air line) between Kannabechō-yahiro and Kamojimachō-jōgejima is approximately 63 miles respectively 102 kilometers.
By car or train, the actual journey to Kamojimachō-jōgejima is certainly longer, as only the direct route (as the crow flies) between Kannabechō-yahiro and Kamojimachō-jōgejima has been calculated here.
Air line (approximately)
102 kilometers
55 nautical miles