| Groveton to Arcos de Valdevez | 3,526.03 mi (5,674.59 km) |
| Groveton to Arcozelo | 3,535.08 mi (5,689.17 km) |
| Groveton to Arganil | 3,585.09 mi (5,769.65 km) |
| Groveton to Arouca | 3,557.31 mi (5,724.94 km) |
| Groveton to Arruda dos Vinhos | 3,567.93 mi (5,742.02 km) |
| Groveton to Aveiro | 3,545.29 mi (5,705.59 km) |
| Groveton to Aver-o-Mar | 3,520.10 mi (5,665.05 km) |
| Groveton to Aves | 3,541.86 mi (5,700.07 km) |
| Groveton to Azambuja | 3,575.60 mi (5,754.37 km) |
| Groveton to Baiao | 3,561.64 mi (5,731.90 km) |
| Groveton to Barcelos | 3,524.66 mi (5,672.38 km) |
| Groveton to Barreiro | 3,576.42 mi (5,755.70 km) |
| Groveton to Batalha | 3,563.43 mi (5,734.78 km) |
| Groveton to Beja | 3,652.66 mi (5,878.39 km) |
| Groveton to Belas | 3,563.33 mi (5,734.62 km) |
