The calculated distance (air line) between Ahmadpur Sial and Mian Channun is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Mian Channun is certainly longer, as only the direct route (as the crow flies) between Ahmadpur Sial and Mian Channun has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles