| Marlborough to Arcos de Valdevez | 3,158.40 mi (5,082.95 km) |
| Marlborough to Arcozelo | 3,169.48 mi (5,100.79 km) |
| Marlborough to Arganil | 3,221.08 mi (5,183.83 km) |
| Marlborough to Arouca | 3,191.70 mi (5,136.55 km) |
| Marlborough to Arruda dos Vinhos | 3,208.04 mi (5,162.84 km) |
| Marlborough to Aveiro | 3,180.72 mi (5,118.88 km) |
| Marlborough to Aver-o-Mar | 3,153.75 mi (5,075.47 km) |
| Marlborough to Aves | 3,175.09 mi (5,109.81 km) |
| Marlborough to Azambuja | 3,215.29 mi (5,174.51 km) |
| Marlborough to Baiao | 3,195.31 mi (5,142.36 km) |
| Marlborough to Barcelos | 3,157.93 mi (5,082.20 km) |
| Marlborough to Barreiro | 3,217.41 mi (5,177.92 km) |
| Marlborough to Batalha | 3,201.50 mi (5,152.32 km) |
| Marlborough to Beja | 3,294.21 mi (5,301.52 km) |
| Marlborough to Belas | 3,204.21 mi (5,156.67 km) |
