The calculated distance (air line) between Siano and Acilia-Castel Fusano-Ostia Antica is approximately 140 miles respectively 224 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 Siano and Acilia-Castel Fusano-Ostia Antica has been calculated here.
Air line (approximately)
224 kilometers
121 nautical miles