The calculated distance (air line) between Álvaro Obregón and Coyoacán is approximately 127 miles respectively 204 kilometers.
By car or train, the actual journey to Coyoacán is certainly longer, as only the direct route (as the crow flies) between Álvaro Obregón and Coyoacán has been calculated here.
Air line (approximately)
204 kilometers
110 nautical miles