The calculated distance (air line) between Dera Ghazi Khan and Garh Maharaja is approximately 93 miles respectively 150 kilometers.
By car or train, the actual journey to Garh Maharaja is certainly longer, as only the direct route (as the crow flies) between Dera Ghazi Khan and Garh Maharaja has been calculated here.
Air line (approximately)
150 kilometers
81 nautical miles