The calculated distance (air line) between Al Mansurah and Sīdī Sālim is approximately 39 miles respectively 62 kilometers.
By car or train, the actual journey to Sīdī Sālim is certainly longer, as only the direct route (as the crow flies) between Al Mansurah and Sīdī Sālim has been calculated here.
Air line (approximately)
62 kilometers
34 nautical miles