| Colwyn Bay to Benavente | 1,018.67 mi (1,639.39 km) |
| Colwyn Bay to Bombarral | 1,002.49 mi (1,613.36 km) |
| Colwyn Bay to Bougado | 856.16 mi (1,377.85 km) |
| Colwyn Bay to Braga | 840.14 mi (1,352.08 km) |
| Colwyn Bay to Braganca | 805.95 mi (1,297.04 km) |
| Colwyn Bay to Cabeceiras de Basto | 836.61 mi (1,346.40 km) |
| Colwyn Bay to Cacem | 1,037.85 mi (1,670.25 km) |
| Colwyn Bay to Cadaval | 1,004.17 mi (1,616.05 km) |
| Colwyn Bay to Caldas da Rainha | 992.90 mi (1,597.92 km) |
| Colwyn Bay to Calheta | 1,569.27 mi (2,525.50 km) |
| Colwyn Bay to Camara de Lobos | 1,567.33 mi (2,522.38 km) |
| Colwyn Bay to Canico | 1,568.20 mi (2,523.77 km) |
| Colwyn Bay to Cantanhede | 923.23 mi (1,485.79 km) |
| Colwyn Bay to Carregal do Sal | 910.82 mi (1,465.82 km) |
| Colwyn Bay to Cartaxo | 1,006.10 mi (1,619.16 km) |
