The calculated distance (air line) between Melfi and Acilia-Castel Fusano-Ostia Antica is approximately 180 miles respectively 290 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 Melfi and Acilia-Castel Fusano-Ostia Antica has been calculated here.
Air line (approximately)
290 kilometers
157 nautical miles