The calculated distance (air line) between Chak Thirty-one -Eleven Left and Sialkot is approximately 179 miles respectively 288 kilometers.
By car or train, the actual journey to Sialkot is certainly longer, as only the direct route (as the crow flies) between Chak Thirty-one -Eleven Left and Sialkot has been calculated here.
Air line (approximately)
288 kilometers
156 nautical miles