| Sidcup to Benavente | 962.18 mi (1,548.48 km) |
| Sidcup to Bombarral | 951.03 mi (1,530.53 km) |
| Sidcup to Bougado | 808.90 mi (1,301.80 km) |
| Sidcup to Braga | 792.50 mi (1,275.41 km) |
| Sidcup to Braganca | 739.35 mi (1,189.87 km) |
| Sidcup to Cabeceiras de Basto | 784.04 mi (1,261.78 km) |
| Sidcup to Cacem | 985.70 mi (1,586.33 km) |
| Sidcup to Cadaval | 951.97 mi (1,532.05 km) |
| Sidcup to Caldas da Rainha | 941.88 mi (1,515.81 km) |
| Sidcup to Calheta | 1,557.86 mi (2,507.14 km) |
| Sidcup to Camara de Lobos | 1,554.46 mi (2,501.67 km) |
| Sidcup to Canico | 1,554.21 mi (2,501.26 km) |
| Sidcup to Cantanhede | 870.95 mi (1,401.66 km) |
| Sidcup to Carregal do Sal | 852.31 mi (1,371.66 km) |
| Sidcup to Cartaxo | 950.23 mi (1,529.24 km) |
