The calculated distance (air line) between Acilia-Castel Fusano-Ostia Antica and Ravenna is approximately 183 miles respectively 295 kilometers.
By car or train, the actual journey to Ravenna is certainly longer, as only the direct route (as the crow flies) between Acilia-Castel Fusano-Ostia Antica and Ravenna has been calculated here.
Air line (approximately)
295 kilometers
159 nautical miles