The calculated distance (air line) between Constantine and Chelghoum el Aïd is approximately 29 miles respectively 46 kilometers.
By car or train, the actual journey to Chelghoum el Aïd is certainly longer, as only the direct route (as the crow flies) between Constantine and Chelghoum el Aïd has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles