The calculated distance (air line) between San Juan Coajomulco and Coyoacán is approximately 60 miles respectively 96 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 Coajomulco and Coyoacán has been calculated here.
Air line (approximately)
96 kilometers
52 nautical miles