The calculated distance (air line) between Otumba and Ciudad Nezahualcoyotl is approximately 27 miles respectively 43 kilometers.
By car or train, the actual journey to Ciudad Nezahualcoyotl is certainly longer, as only the direct route (as the crow flies) between Otumba and Ciudad Nezahualcoyotl has been calculated here.
Air line (approximately)
43 kilometers
23 nautical miles