The calculated distance (air line) between Dera Ghazi Khan and Ahmadpur Sial is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Ahmadpur Sial is certainly longer, as only the direct route (as the crow flies) between Dera Ghazi Khan and Ahmadpur Sial has been calculated here.
Air line (approximately)
127 kilometers
69 nautical miles