| Ruislip to Cascais | 989.81 mi (1,592.95 km) |
| Ruislip to Castelo Branco | 880.16 mi (1,416.48 km) |
| Ruislip to Castro Daire | 819.09 mi (1,318.19 km) |
| Ruislip to Celorico de Basto | 789.94 mi (1,271.28 km) |
| Ruislip to Chamusca | 929.12 mi (1,495.28 km) |
| Ruislip to Chaves | 756.26 mi (1,217.09 km) |
| Ruislip to Cinfaes | 810.63 mi (1,304.58 km) |
| Ruislip to Coimbra | 873.10 mi (1,405.11 km) |
| Ruislip to Condeixa-a-Nova | 880.57 mi (1,417.13 km) |
| Ruislip to Corroios | 989.70 mi (1,592.77 km) |
| Ruislip to Coruche | 955.22 mi (1,537.27 km) |
| Ruislip to Costa de Caparica | 989.54 mi (1,592.52 km) |
| Ruislip to Covilha | 849.99 mi (1,367.93 km) |
| Ruislip to Eiras | 871.02 mi (1,401.77 km) |
| Ruislip to Elvas | 936.02 mi (1,506.38 km) |
