The calculated distance (air line) between Drobeta-Turnu Severin and Reşiţa is approximately 60 miles respectively 96 kilometers.
By car or train, the actual journey to Reşiţa is certainly longer, as only the direct route (as the crow flies) between Drobeta-Turnu Severin and Reşiţa has been calculated here.
Air line (approximately)
96 kilometers
52 nautical miles