The calculated distance (air line) between Charneca de Caparica and Setúbal is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Setúbal is certainly longer, as only the direct route (as the crow flies) between Charneca de Caparica and Setúbal has been calculated here.
Air line (approximately)
29 kilometers
15 nautical miles