From Lisboa to Caramulo:

Via A1: 276 Km (3h26)

Via A8: 305 Km (3h43)

Via A1 A13: 297 Km (4h04)

 
From Oporto to Caramulo:

Via IP1: 112 Km (1h27)

Via IP1 A17: 142 Km (2h09)

Via IP1 IP3: 182 Km (2h19)