| Troisdorf to Arcozelo | 1,011.49 mi (1,627.84 km) |
| Troisdorf to Arganil | 1,034.61 mi (1,665.05 km) |
| Troisdorf to Arouca | 1,003.81 mi (1,615.48 km) |
| Troisdorf to Arruda dos Vinhos | 1,134.78 mi (1,826.26 km) |
| Troisdorf to Aveiro | 1,033.42 mi (1,663.13 km) |
| Troisdorf to Aver-o-Mar | 998.64 mi (1,607.15 km) |
| Troisdorf to Aves | 980.05 mi (1,577.23 km) |
| Troisdorf to Azambuja | 1,123.58 mi (1,808.23 km) |
| Troisdorf to Baiao | 984.48 mi (1,584.37 km) |
| Troisdorf to Barcelos | 987.55 mi (1,589.31 km) |
| Troisdorf to Barreiro | 1,151.95 mi (1,853.89 km) |
| Troisdorf to Batalha | 1,090.06 mi (1,754.29 km) |
| Troisdorf to Beja | 1,149.04 mi (1,849.21 km) |
| Troisdorf to Belas | 1,152.89 mi (1,855.39 km) |
| Troisdorf to Benavente | 1,126.78 mi (1,813.38 km) |
