| Shanklin to Cascais | 917.26 mi (1,476.18 km) |
| Shanklin to Castelo Branco | 807.52 mi (1,299.58 km) |
| Shanklin to Castro Daire | 746.49 mi (1,201.35 km) |
| Shanklin to Celorico de Basto | 717.42 mi (1,154.57 km) |
| Shanklin to Chamusca | 856.48 mi (1,378.38 km) |
| Shanklin to Chaves | 683.67 mi (1,100.26 km) |
| Shanklin to Cinfaes | 738.10 mi (1,187.85 km) |
| Shanklin to Coimbra | 800.52 mi (1,288.31 km) |
| Shanklin to Condeixa-a-Nova | 807.99 mi (1,300.33 km) |
| Shanklin to Corroios | 917.10 mi (1,475.92 km) |
| Shanklin to Coruche | 882.57 mi (1,420.36 km) |
| Shanklin to Costa de Caparica | 916.95 mi (1,475.69 km) |
| Shanklin to Covilha | 777.34 mi (1,251.01 km) |
| Shanklin to Eiras | 798.44 mi (1,284.97 km) |
| Shanklin to Elvas | 863.53 mi (1,389.72 km) |
