| Troisdorf to Alfena | 998.21 mi (1,606.47 km) |
| Troisdorf to Alijo | 959.46 mi (1,544.10 km) |
| Troisdorf to Aljustrel | 1,164.50 mi (1,874.09 km) |
| Troisdorf to Almada | 1,154.26 mi (1,857.60 km) |
| Troisdorf to Almargem | 1,148.98 mi (1,849.11 km) |
| Troisdorf to Almeirim | 1,108.04 mi (1,783.21 km) |
| Troisdorf to Amadora | 1,153.88 mi (1,856.99 km) |
| Troisdorf to Amarante | 980.55 mi (1,578.05 km) |
| Troisdorf to Amares | 972.40 mi (1,564.93 km) |
| Troisdorf to Amora | 1,155.87 mi (1,860.20 km) |
| Troisdorf to Anadia | 1,036.26 mi (1,667.69 km) |
| Troisdorf to Angra do Heroismo | 1,861.94 mi (2,996.51 km) |
| Troisdorf to Ansiao | 1,063.45 mi (1,711.45 km) |
| Troisdorf to Anta | 1,013.42 mi (1,630.94 km) |
| Troisdorf to Arcos de Valdevez | 964.08 mi (1,551.54 km) |
