| Oudenburg to Arcozelo | 892.42 mi (1,436.22 km) |
| Oudenburg to Arganil | 924.37 mi (1,487.64 km) |
| Oudenburg to Arouca | 887.93 mi (1,428.98 km) |
| Oudenburg to Arruda dos Vinhos | 1,025.27 mi (1,650.00 km) |
| Oudenburg to Aveiro | 916.93 mi (1,475.65 km) |
| Oudenburg to Aver-o-Mar | 876.57 mi (1,410.71 km) |
| Oudenburg to Aves | 860.54 mi (1,384.91 km) |
| Oudenburg to Azambuja | 1,014.83 mi (1,633.22 km) |
| Oudenburg to Baiao | 868.42 mi (1,397.59 km) |
| Oudenburg to Barcelos | 865.65 mi (1,393.12 km) |
| Oudenburg to Barreiro | 1,044.12 mi (1,680.35 km) |
| Oudenburg to Batalha | 978.47 mi (1,574.70 km) |
| Oudenburg to Beja | 1,052.01 mi (1,693.05 km) |
| Oudenburg to Belas | 1,043.25 mi (1,678.94 km) |
| Oudenburg to Benavente | 1,018.98 mi (1,639.89 km) |
