The calculated distance (air line) between Santiago Tlacotepec and Santa María Chimalhuacán is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to Santa María Chimalhuacán is certainly longer, as only the direct route (as the crow flies) between Santiago Tlacotepec and Santa María Chimalhuacán has been calculated here.
Air line (approximately)
79 kilometers
42 nautical miles