The calculated distance (air line) between Sidi Bel Abbes and Mohammadia is approximately 48 miles respectively 77 kilometers.
By car or train, the actual journey to Mohammadia is certainly longer, as only the direct route (as the crow flies) between Sidi Bel Abbes and Mohammadia has been calculated here.
Air line (approximately)
77 kilometers
42 nautical miles