The calculated distance (air line) between Ciudad Coahuila (Kilómetro Cincuenta y Siete) and Mexicali is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Mexicali is certainly longer, as only the direct route (as the crow flies) between Ciudad Coahuila (Kilómetro Cincuenta y Siete) and Mexicali has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles