The calculated distance (air line) between Póvoa de Varzim and Coimbra is approximately 83 miles respectively 134 kilometers.
By car or train, the actual journey to Coimbra is certainly longer, as only the direct route (as the crow flies) between Póvoa de Varzim and Coimbra has been calculated here.
Air line (approximately)
134 kilometers
72 nautical miles