The calculated distance (air line) between Chak Thirty-one -Eleven Left and Sahiwal is approximately 29 miles respectively 47 kilometers.
By car or train, the actual journey to Sahiwal is certainly longer, as only the direct route (as the crow flies) between Chak Thirty-one -Eleven Left and Sahiwal has been calculated here.
Air line (approximately)
47 kilometers
25 nautical miles