The calculated distance (air line) between Barletta and San Ferdinando di Puglia is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to San Ferdinando di Puglia is certainly longer, as only the direct route (as the crow flies) between Barletta and San Ferdinando di Puglia has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles