The calculated distance (air line) between Shahdadpur and Darya Khan Marri is approximately 56 miles respectively 90 kilometers.
By car or train, the actual journey to Darya Khan Marri is certainly longer, as only the direct route (as the crow flies) between Shahdadpur and Darya Khan Marri has been calculated here.
Air line (approximately)
90 kilometers
49 nautical miles