| Maidenhead to Arcos de Valdevez | 760.63 mi (1,224.12 km) |
| Maidenhead to Arcozelo | 814.97 mi (1,311.56 km) |
| Maidenhead to Arganil | 856.01 mi (1,377.62 km) |
| Maidenhead to Arouca | 814.21 mi (1,310.35 km) |
| Maidenhead to Arruda dos Vinhos | 955.30 mi (1,537.41 km) |
| Maidenhead to Aveiro | 841.76 mi (1,354.68 km) |
| Maidenhead to Aver-o-Mar | 796.09 mi (1,281.18 km) |
| Maidenhead to Aves | 783.46 mi (1,260.85 km) |
| Maidenhead to Azambuja | 945.93 mi (1,522.33 km) |
| Maidenhead to Baiao | 795.06 mi (1,279.53 km) |
| Maidenhead to Barcelos | 785.64 mi (1,264.36 km) |
| Maidenhead to Barreiro | 975.59 mi (1,570.06 km) |
| Maidenhead to Batalha | 907.28 mi (1,460.13 km) |
| Maidenhead to Beja | 994.84 mi (1,601.05 km) |
| Maidenhead to Belas | 972.77 mi (1,565.53 km) |
