The calculated distance (air line) between Draa Ben Khedda and M'Sila is approximately 78 miles respectively 125 kilometers.
By car or train, the actual journey to M'Sila is certainly longer, as only the direct route (as the crow flies) between Draa Ben Khedda and M'Sila has been calculated here.
Air line (approximately)
125 kilometers
68 nautical miles