The calculated distance (air line) between San Giovanni in Marignano and Acilia-Castel Fusano-Ostia Antica is approximately 152 miles respectively 244 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 San Giovanni in Marignano and Acilia-Castel Fusano-Ostia Antica has been calculated here.
Air line (approximately)
244 kilometers
132 nautical miles