The calculated distance (air line) between Piazza del Galdo-Sant'Angelo and Foggia is approximately 64 miles respectively 103 kilometers.
By car or train, the actual journey to Foggia is certainly longer, as only the direct route (as the crow flies) between Piazza del Galdo-Sant'Angelo and Foggia has been calculated here.
Air line (approximately)
103 kilometers
56 nautical miles