The calculated distance (air line) between Soltepec and Ecatepec de Morelos is approximately 94 miles respectively 152 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 Soltepec and Ecatepec de Morelos has been calculated here.
Air line (approximately)
152 kilometers
82 nautical miles