| Grantham to Arcos de Valdevez | 845.94 mi (1,361.40 km) |
| Grantham to Arcozelo | 900.90 mi (1,449.86 km) |
| Grantham to Arganil | 944.33 mi (1,519.76 km) |
| Grantham to Arouca | 901.27 mi (1,450.45 km) |
| Grantham to Arruda dos Vinhos | 1,042.76 mi (1,678.17 km) |
| Grantham to Aveiro | 928.24 mi (1,493.85 km) |
| Grantham to Aver-o-Mar | 881.18 mi (1,418.11 km) |
| Grantham to Aves | 869.69 mi (1,399.63 km) |
| Grantham to Azambuja | 1,033.72 mi (1,663.62 km) |
| Grantham to Baiao | 882.32 mi (1,419.96 km) |
| Grantham to Barcelos | 870.95 mi (1,401.65 km) |
| Grantham to Barreiro | 1,063.37 mi (1,711.32 km) |
| Grantham to Batalha | 994.60 mi (1,600.66 km) |
| Grantham to Beja | 1,085.34 mi (1,746.68 km) |
| Grantham to Belas | 1,060.02 mi (1,705.95 km) |
