The calculated distance (air line) between San Mateo Huitzilzingo and Ciudad Nezahualcoyotl is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Ciudad Nezahualcoyotl is certainly longer, as only the direct route (as the crow flies) between San Mateo Huitzilzingo and Ciudad Nezahualcoyotl has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles