| Harrow Weald to Arcos de Valdevez | 774.08 mi (1,245.77 km) |
| Harrow Weald to Arcozelo | 828.23 mi (1,332.91 km) |
| Harrow Weald to Arganil | 868.58 mi (1,397.85 km) |
| Harrow Weald to Arouca | 827.18 mi (1,331.21 km) |
| Harrow Weald to Arruda dos Vinhos | 968.10 mi (1,558.00 km) |
| Harrow Weald to Aveiro | 854.87 mi (1,375.78 km) |
| Harrow Weald to Aver-o-Mar | 809.58 mi (1,302.89 km) |
| Harrow Weald to Aves | 796.66 mi (1,282.10 km) |
| Harrow Weald to Azambuja | 958.63 mi (1,542.77 km) |
| Harrow Weald to Baiao | 807.98 mi (1,300.31 km) |
| Harrow Weald to Barcelos | 799.08 mi (1,286.00 km) |
| Harrow Weald to Barreiro | 988.28 mi (1,590.49 km) |
| Harrow Weald to Batalha | 920.14 mi (1,480.81 km) |
| Harrow Weald to Beja | 1,006.61 mi (1,619.97 km) |
| Harrow Weald to Belas | 985.62 mi (1,586.21 km) |
