| Houghton le Spring to Arcos de Valdevez | 951.70 mi (1,531.61 km) |
| Houghton le Spring to Arcozelo | 1,007.37 mi (1,621.21 km) |
| Houghton le Spring to Arganil | 1,054.89 mi (1,697.69 km) |
| Houghton le Spring to Arouca | 1,009.74 mi (1,625.02 km) |
| Houghton le Spring to Arruda dos Vinhos | 1,151.24 mi (1,852.74 km) |
| Houghton le Spring to Aveiro | 1,035.52 mi (1,666.50 km) |
| Houghton le Spring to Aver-o-Mar | 986.30 mi (1,587.30 km) |
| Houghton le Spring to Aves | 976.90 mi (1,572.17 km) |
| Houghton le Spring to Azambuja | 1,142.85 mi (1,839.25 km) |
| Houghton le Spring to Baiao | 991.29 mi (1,595.32 km) |
| Houghton le Spring to Barcelos | 976.53 mi (1,571.57 km) |
| Houghton le Spring to Barreiro | 1,172.34 mi (1,886.70 km) |
| Houghton le Spring to Batalha | 1,103.04 mi (1,775.17 km) |
| Houghton le Spring to Beja | 1,199.57 mi (1,930.52 km) |
| Houghton le Spring to Belas | 1,168.02 mi (1,879.75 km) |
