| Whitburn to Arcos de Valdevez | 991.35 mi (1,595.43 km) |
| Whitburn to Arcozelo | 1,047.23 mi (1,685.35 km) |
| Whitburn to Arganil | 1,099.02 mi (1,768.70 km) |
| Whitburn to Arouca | 1,051.85 mi (1,692.79 km) |
| Whitburn to Arruda dos Vinhos | 1,192.13 mi (1,918.55 km) |
| Whitburn to Aveiro | 1,076.01 mi (1,731.67 km) |
| Whitburn to Aver-o-Mar | 1,024.87 mi (1,649.37 km) |
| Whitburn to Aves | 1,017.90 mi (1,638.16 km) |
| Whitburn to Azambuja | 1,184.58 mi (1,906.40 km) |
| Whitburn to Baiao | 1,034.14 mi (1,664.29 km) |
| Whitburn to Barcelos | 1,015.71 mi (1,634.62 km) |
| Whitburn to Barreiro | 1,213.66 mi (1,953.20 km) |
| Whitburn to Batalha | 1,144.27 mi (1,841.53 km) |
| Whitburn to Beja | 1,247.08 mi (2,006.98 km) |
| Whitburn to Belas | 1,208.24 mi (1,944.47 km) |
