The calculated distance (air line) between Acilia-Castel Fusano-Ostia Antica and Ciampino is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Ciampino is certainly longer, as only the direct route (as the crow flies) between Acilia-Castel Fusano-Ostia Antica and Ciampino has been calculated here.
Air line (approximately)
23 kilometers
12 nautical miles