| London Colney to Arcos de Valdevez | 782.09 mi (1,258.65 km) |
| London Colney to Arcozelo | 836.29 mi (1,345.88 km) |
| London Colney to Arganil | 876.81 mi (1,411.09 km) |
| London Colney to Arouca | 835.31 mi (1,344.31 km) |
| London Colney to Arruda dos Vinhos | 976.27 mi (1,571.16 km) |
| London Colney to Aveiro | 862.97 mi (1,388.81 km) |
| London Colney to Aver-o-Mar | 817.57 mi (1,315.76 km) |
| London Colney to Aves | 804.74 mi (1,295.10 km) |
| London Colney to Azambuja | 966.83 mi (1,555.96 km) |
| London Colney to Baiao | 816.12 mi (1,313.42 km) |
| London Colney to Barcelos | 807.09 mi (1,298.89 km) |
| London Colney to Barreiro | 996.48 mi (1,603.68 km) |
| London Colney to Batalha | 928.30 mi (1,493.95 km) |
| London Colney to Beja | 1,014.98 mi (1,633.45 km) |
| London Colney to Belas | 993.79 mi (1,599.35 km) |
