The calculated distance (air line) between Sant'Ambrogio di Valpollicella and Trieste is approximately 142 miles respectively 229 kilometers.
By car or train, the actual journey to Trieste is certainly longer, as only the direct route (as the crow flies) between Sant'Ambrogio di Valpollicella and Trieste has been calculated here.
Air line (approximately)
229 kilometers
124 nautical miles