The calculated distance (air line) between Shirahamachō-usazakiminami and Ono is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Ono is certainly longer, as only the direct route (as the crow flies) between Shirahamachō-usazakiminami and Ono has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles