| Siegburg to Arcozelo | 1,012.63 mi (1,629.67 km) |
| Siegburg to Arganil | 1,035.63 mi (1,666.68 km) |
| Siegburg to Arouca | 1,004.91 mi (1,617.25 km) |
| Siegburg to Arruda dos Vinhos | 1,135.77 mi (1,827.85 km) |
| Siegburg to Aveiro | 1,034.52 mi (1,664.90 km) |
| Siegburg to Aver-o-Mar | 999.82 mi (1,609.06 km) |
| Siegburg to Aves | 981.20 mi (1,579.08 km) |
| Siegburg to Azambuja | 1,124.56 mi (1,809.81 km) |
| Siegburg to Baiao | 985.58 mi (1,586.15 km) |
| Siegburg to Barcelos | 988.74 mi (1,591.22 km) |
| Siegburg to Barreiro | 1,152.91 mi (1,855.44 km) |
| Siegburg to Batalha | 1,091.09 mi (1,755.93 km) |
| Siegburg to Beja | 1,149.86 mi (1,850.51 km) |
| Siegburg to Belas | 1,153.87 mi (1,856.98 km) |
| Siegburg to Benavente | 1,127.75 mi (1,814.93 km) |
