| Grass Valley to Arcos de Valdevez | 5,422.12 mi (8,726.07 km) |
| Grass Valley to Arcozelo | 5,451.17 mi (8,772.82 km) |
| Grass Valley to Arganil | 5,513.22 mi (8,872.67 km) |
| Grass Valley to Arouca | 5,471.92 mi (8,806.21 km) |
| Grass Valley to Arruda dos Vinhos | 5,532.61 mi (8,903.88 km) |
| Grass Valley to Aveiro | 5,470.73 mi (8,804.28 km) |
| Grass Valley to Aver-o-Mar | 5,429.82 mi (8,738.45 km) |
| Grass Valley to Aves | 5,445.85 mi (8,764.24 km) |
| Grass Valley to Azambuja | 5,536.49 mi (8,910.11 km) |
| Grass Valley to Baiao | 5,468.88 mi (8,801.31 km) |
| Grass Valley to Barcelos | 5,430.26 mi (8,739.17 km) |
| Grass Valley to Barreiro | 5,547.58 mi (8,927.97 km) |
| Grass Valley to Batalha | 5,511.47 mi (8,869.85 km) |
| Grass Valley to Beja | 5,624.21 mi (9,051.28 km) |
| Grass Valley to Belas | 5,534.39 mi (8,906.74 km) |
