The calculated distance (air line) between Darya Khan Marri and Malir Cantonment is approximately 137 miles respectively 221 kilometers.
By car or train, the actual journey to Malir Cantonment is certainly longer, as only the direct route (as the crow flies) between Darya Khan Marri and Malir Cantonment has been calculated here.
Air line (approximately)
221 kilometers
119 nautical miles