The calculated distance (air line) between Tivoli and Acilia-Castel Fusano-Ostia Antica is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Acilia-Castel Fusano-Ostia Antica is certainly longer, as only the direct route (as the crow flies) between Tivoli and Acilia-Castel Fusano-Ostia Antica has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles