| Colwyn Bay to Arcos de Valdevez | 820.19 mi (1,319.97 km) |
| Colwyn Bay to Arcozelo | 876.05 mi (1,409.86 km) |
| Colwyn Bay to Arganil | 925.96 mi (1,490.19 km) |
| Colwyn Bay to Arouca | 879.61 mi (1,415.60 km) |
| Colwyn Bay to Arruda dos Vinhos | 1,020.62 mi (1,642.52 km) |
| Colwyn Bay to Aveiro | 904.55 mi (1,455.74 km) |
| Colwyn Bay to Aver-o-Mar | 854.30 mi (1,374.86 km) |
| Colwyn Bay to Aves | 846.13 mi (1,361.72 km) |
| Colwyn Bay to Azambuja | 1,012.67 mi (1,629.74 km) |
| Colwyn Bay to Baiao | 861.55 mi (1,386.53 km) |
| Colwyn Bay to Barcelos | 844.81 mi (1,359.60 km) |
| Colwyn Bay to Barreiro | 1,041.97 mi (1,676.89 km) |
| Colwyn Bay to Batalha | 972.55 mi (1,565.17 km) |
| Colwyn Bay to Beja | 1,072.85 mi (1,726.58 km) |
| Colwyn Bay to Belas | 1,037.07 mi (1,669.00 km) |
