The calculated distance (air line) between Atouguia da Baleia and Coimbra is approximately 77 miles respectively 124 kilometers.
By car or train, the actual journey to Coimbra is certainly longer, as only the direct route (as the crow flies) between Atouguia da Baleia and Coimbra has been calculated here.
Air line (approximately)
124 kilometers
67 nautical miles