The calculated distance (air line) between Montemor-o-Novo and Setúbal is approximately 37 miles respectively 60 kilometers.
By car or train, the actual journey to Setúbal is certainly longer, as only the direct route (as the crow flies) between Montemor-o-Novo and Setúbal has been calculated here.
Air line (approximately)
60 kilometers
32 nautical miles