The calculated distance (air line) between Oqqo‘rg‘on and Samarkand is approximately 139 miles respectively 223 kilometers.
By car or train, the actual journey to Samarkand is certainly longer, as only the direct route (as the crow flies) between Oqqo‘rg‘on and Samarkand has been calculated here.
Air line (approximately)
223 kilometers
120 nautical miles