The calculated distance (air line) between Segni and Acilia-Castel Fusano-Ostia Antica is approximately 36 miles respectively 58 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 Segni and Acilia-Castel Fusano-Ostia Antica has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles