The calculated distance (air line) between Darya Khan Marri and Mirpur Khas is approximately 91 miles respectively 147 kilometers.
By car or train, the actual journey to Mirpur Khas is certainly longer, as only the direct route (as the crow flies) between Darya Khan Marri and Mirpur Khas has been calculated here.
Air line (approximately)
147 kilometers
79 nautical miles