The calculated distance (air line) between Sidi Yahya Zaer and Berrechid is approximately 55 miles respectively 89 kilometers.
By car or train, the actual journey to Berrechid is certainly longer, as only the direct route (as the crow flies) between Sidi Yahya Zaer and Berrechid has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles