The calculated distance (air line) between Santo Tomás Chiconautla and Coyoacán is approximately 23 miles respectively 36 kilometers.
By car or train, the actual journey to Coyoacán is certainly longer, as only the direct route (as the crow flies) between Santo Tomás Chiconautla and Coyoacán has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles