The calculated distance (air line) between Aveiro and Figueira da Foz is approximately 36 miles respectively 58 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 Aveiro and Figueira da Foz has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles