The calculated distance (air line) between Shirahamachō-usazakiminami and Yashiro is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Yashiro is certainly longer, as only the direct route (as the crow flies) between Shirahamachō-usazakiminami and Yashiro has been calculated here.
Air line (approximately)
27 kilometers
15 nautical miles