The calculated distance (air line) between San Martín Cuautlalpan and Naucalpan de Juárez is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Naucalpan de Juárez is certainly longer, as only the direct route (as the crow flies) between San Martín Cuautlalpan and Naucalpan de Juárez has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles