The calculated distance (air line) between Santarém and Figueira da Foz is approximately 64 miles respectively 103 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 Santarém and Figueira da Foz has been calculated here.
Air line (approximately)
103 kilometers
56 nautical miles