The calculated distance (air line) between Shirahamachō-usazakiminami and Izumi is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Izumi is certainly longer, as only the direct route (as the crow flies) between Shirahamachō-usazakiminami and Izumi has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles