The calculated distance (air line) between São Brás de Alportel and Leiria is approximately 186 miles respectively 299 kilometers.
By car or train, the actual journey to Leiria is certainly longer, as only the direct route (as the crow flies) between São Brás de Alportel and Leiria has been calculated here.
Air line (approximately)
299 kilometers
161 nautical miles