| Grain Valley to Arcos de Valdevez | 4,315.00 mi (6,944.32 km) |
| Grain Valley to Arcozelo | 4,331.71 mi (6,971.21 km) |
| Grain Valley to Arganil | 4,387.01 mi (7,060.22 km) |
| Grain Valley to Arouca | 4,353.76 mi (7,006.70 km) |
| Grain Valley to Arruda dos Vinhos | 4,383.00 mi (7,053.76 km) |
| Grain Valley to Aveiro | 4,345.56 mi (6,993.50 km) |
| Grain Valley to Aver-o-Mar | 4,314.08 mi (6,942.84 km) |
| Grain Valley to Aves | 4,334.07 mi (6,975.01 km) |
| Grain Valley to Azambuja | 4,389.40 mi (7,064.06 km) |
| Grain Valley to Baiao | 4,355.41 mi (7,009.35 km) |
| Grain Valley to Barcelos | 4,317.18 mi (6,947.83 km) |
| Grain Valley to Barreiro | 4,393.98 mi (7,071.43 km) |
| Grain Valley to Batalha | 4,372.34 mi (7,036.60 km) |
| Grain Valley to Beja | 4,471.45 mi (7,196.10 km) |
| Grain Valley to Belas | 4,380.66 mi (7,049.99 km) |
