The calculated distance (air line) between Montecatini-Terme and Acilia-Castel Fusano-Ostia Antica is approximately 166 miles respectively 268 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 Montecatini-Terme and Acilia-Castel Fusano-Ostia Antica has been calculated here.
Air line (approximately)
268 kilometers
144 nautical miles