The calculated distance (air line) between Chak Ninety-eight -Nine Left and Okara is approximately 25 miles respectively 40 kilometers.
By car or train, the actual journey to Okara is certainly longer, as only the direct route (as the crow flies) between Chak Ninety-eight -Nine Left and Okara has been calculated here.
Air line (approximately)
40 kilometers
22 nautical miles