The calculated distance (air line) between Acilia-Castel Fusano-Ostia Antica and Cesano is approximately 21 miles respectively 35 kilometers.
By car or train, the actual journey to Cesano is certainly longer, as only the direct route (as the crow flies) between Acilia-Castel Fusano-Ostia Antica and Cesano has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles