The calculated distance (air line) between Reguengos de Monsaraz and Setúbal is approximately 74 miles respectively 118 kilometers.
By car or train, the actual journey to Setúbal is certainly longer, as only the direct route (as the crow flies) between Reguengos de Monsaraz and Setúbal has been calculated here.
Air line (approximately)
118 kilometers
64 nautical miles