The calculated distance (air line) between San Juan de las Huertas and Coyoacán is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Coyoacán is certainly longer, as only the direct route (as the crow flies) between San Juan de las Huertas and Coyoacán has been calculated here.
Air line (approximately)
64 kilometers
34 nautical miles