| Bolton to Arcos de Valdevez | 856.26 mi (1,378.02 km) |
| Bolton to Arcozelo | 911.95 mi (1,467.65 km) |
| Bolton to Arganil | 959.77 mi (1,544.60 km) |
| Bolton to Arouca | 914.45 mi (1,471.66 km) |
| Bolton to Arruda dos Vinhos | 1,055.90 mi (1,699.31 km) |
| Bolton to Aveiro | 940.13 mi (1,513.00 km) |
| Bolton to Aver-o-Mar | 890.83 mi (1,433.66 km) |
| Bolton to Aves | 881.53 mi (1,418.69 km) |
| Bolton to Azambuja | 1,047.57 mi (1,685.91 km) |
| Bolton to Baiao | 896.04 mi (1,442.03 km) |
| Bolton to Barcelos | 881.08 mi (1,417.96 km) |
| Bolton to Barreiro | 1,077.04 mi (1,733.33 km) |
| Bolton to Batalha | 1,007.72 mi (1,621.76 km) |
| Bolton to Beja | 1,104.88 mi (1,778.13 km) |
| Bolton to Belas | 1,072.66 mi (1,726.28 km) |
