| Opglabbeek to Arcozelo | 967.34 mi (1,556.78 km) |
| Opglabbeek to Arganil | 993.89 mi (1,599.51 km) |
| Opglabbeek to Arouca | 960.85 mi (1,546.34 km) |
| Opglabbeek to Arruda dos Vinhos | 1,094.58 mi (1,761.55 km) |
| Opglabbeek to Aveiro | 990.30 mi (1,593.74 km) |
| Opglabbeek to Aver-o-Mar | 953.31 mi (1,534.20 km) |
| Opglabbeek to Aves | 935.64 mi (1,505.77 km) |
| Opglabbeek to Azambuja | 1,083.65 mi (1,743.97 km) |
| Opglabbeek to Baiao | 941.40 mi (1,515.04 km) |
| Opglabbeek to Barcelos | 942.25 mi (1,516.41 km) |
| Opglabbeek to Barreiro | 1,112.43 mi (1,790.29 km) |
| Opglabbeek to Batalha | 1,048.96 mi (1,688.14 km) |
| Opglabbeek to Beja | 1,113.66 mi (1,792.27 km) |
| Opglabbeek to Belas | 1,112.67 mi (1,790.68 km) |
| Opglabbeek to Benavente | 1,087.22 mi (1,749.71 km) |
