The calculated distance (air line) between Xilitla and Ecatepec de Morelos is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Ecatepec de Morelos is certainly longer, as only the direct route (as the crow flies) between Xilitla and Ecatepec de Morelos has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles