| Opelika to Arcos de Valdevez | 4,138.47 mi (6,660.22 km) |
| Opelika to Arcozelo | 4,145.18 mi (6,671.03 km) |
| Opelika to Arganil | 4,193.24 mi (6,748.37 km) |
| Opelika to Arouca | 4,167.38 mi (6,706.75 km) |
| Opelika to Arruda dos Vinhos | 4,171.24 mi (6,712.96 km) |
| Opelika to Aveiro | 4,154.15 mi (6,685.47 km) |
| Opelika to Aver-o-Mar | 4,131.08 mi (6,648.32 km) |
| Opelika to Aves | 4,153.29 mi (6,684.07 km) |
| Opelika to Azambuja | 4,179.39 mi (6,726.07 km) |
| Opelika to Baiao | 4,172.52 mi (6,715.02 km) |
| Opelika to Barcelos | 4,136.06 mi (6,656.35 km) |
| Opelika to Barreiro | 4,178.67 mi (6,724.92 km) |
| Opelika to Batalha | 4,169.16 mi (6,709.61 km) |
| Opelika to Beja | 4,254.02 mi (6,846.19 km) |
| Opelika to Belas | 4,165.73 mi (6,704.09 km) |
