| Buffalo Grove to Arcos de Valdevez | 3,922.12 mi (6,312.04 km) |
| Buffalo Grove to Arcozelo | 3,939.15 mi (6,339.45 km) |
| Buffalo Grove to Arganil | 3,994.72 mi (6,428.88 km) |
| Buffalo Grove to Arouca | 3,961.18 mi (6,374.91 km) |
| Buffalo Grove to Arruda dos Vinhos | 3,991.69 mi (6,424.01 km) |
| Buffalo Grove to Aveiro | 3,953.19 mi (6,362.05 km) |
| Buffalo Grove to Aver-o-Mar | 3,921.41 mi (6,310.89 km) |
| Buffalo Grove to Aves | 3,941.31 mi (6,342.92 km) |
| Buffalo Grove to Azambuja | 3,997.98 mi (6,434.12 km) |
| Buffalo Grove to Baiao | 3,962.70 mi (6,377.36 km) |
| Buffalo Grove to Barcelos | 3,924.43 mi (6,315.77 km) |
| Buffalo Grove to Barreiro | 4,002.89 mi (6,442.03 km) |
| Buffalo Grove to Batalha | 3,980.53 mi (6,406.04 km) |
| Buffalo Grove to Beja | 4,080.41 mi (6,566.79 km) |
| Buffalo Grove to Belas | 3,989.56 mi (6,420.57 km) |
