| Caister-on-Sea to Cascais | 1,101.12 mi (1,772.08 km) |
| Caister-on-Sea to Castelo Branco | 988.62 mi (1,591.03 km) |
| Caister-on-Sea to Castro Daire | 930.01 mi (1,496.71 km) |
| Caister-on-Sea to Celorico de Basto | 901.67 mi (1,451.10 km) |
| Caister-on-Sea to Chamusca | 1,039.29 mi (1,672.57 km) |
| Caister-on-Sea to Chaves | 867.32 mi (1,395.82 km) |
| Caister-on-Sea to Cinfaes | 922.26 mi (1,484.24 km) |
| Caister-on-Sea to Coimbra | 984.20 mi (1,583.92 km) |
| Caister-on-Sea to Condeixa-a-Nova | 991.70 mi (1,595.99 km) |
| Caister-on-Sea to Corroios | 1,100.40 mi (1,770.92 km) |
| Caister-on-Sea to Coruche | 1,065.01 mi (1,713.97 km) |
| Caister-on-Sea to Costa de Caparica | 1,100.44 mi (1,770.99 km) |
| Caister-on-Sea to Covilha | 959.07 mi (1,543.47 km) |
| Caister-on-Sea to Eiras | 982.15 mi (1,580.62 km) |
| Caister-on-Sea to Elvas | 1,042.38 mi (1,677.54 km) |
