The calculated distance (air line) between Oiã and Figueira da Foz is approximately 32 miles respectively 51 kilometers.
By car or train, the actual journey to Figueira da Foz is certainly longer, as only the direct route (as the crow flies) between Oiã and Figueira da Foz has been calculated here.
Air line (approximately)
51 kilometers
28 nautical miles