The calculated distance (air line) between Kanzakimachi-kanzaki and Hiroshima is approximately 141 miles respectively 227 kilometers.
By car or train, the actual journey to Hiroshima is certainly longer, as only the direct route (as the crow flies) between Kanzakimachi-kanzaki and Hiroshima has been calculated here.
Air line (approximately)
227 kilometers
122 nautical miles