The calculated distance (air line) between Chak Five Hundred Seventy-five and Okara is approximately 55 miles respectively 89 kilometers.
By car or train, the actual journey to Okara is certainly longer, as only the direct route (as the crow flies) between Chak Five Hundred Seventy-five and Okara has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles