| Hillsborough to Arcos de Valdevez | 3,356.43 mi (5,401.66 km) |
| Hillsborough to Arcozelo | 3,366.47 mi (5,417.80 km) |
| Hillsborough to Arganil | 3,417.25 mi (5,499.54 km) |
| Hillsborough to Arouca | 3,388.70 mi (5,453.58 km) |
| Hillsborough to Arruda dos Vinhos | 3,402.05 mi (5,475.07 km) |
| Hillsborough to Aveiro | 3,377.17 mi (5,435.03 km) |
| Hillsborough to Aver-o-Mar | 3,351.12 mi (5,393.10 km) |
| Hillsborough to Aves | 3,372.68 mi (5,427.80 km) |
| Hillsborough to Azambuja | 3,409.53 mi (5,487.10 km) |
| Hillsborough to Baiao | 3,392.68 mi (5,459.99 km) |
| Hillsborough to Barcelos | 3,355.50 mi (5,400.15 km) |
| Hillsborough to Barreiro | 3,410.97 mi (5,489.42 km) |
| Hillsborough to Batalha | 3,396.58 mi (5,466.27 km) |
| Hillsborough to Beja | 3,487.49 mi (5,612.58 km) |
| Hillsborough to Belas | 3,397.82 mi (5,468.26 km) |
