| Troisdorf to Altenbeken | 101.06 mi (162.64 km) |
| Troisdorf to Altenberge | 86.00 mi (138.41 km) |
| Troisdorf to Altenburg | 230.22 mi (370.51 km) |
| Troisdorf to Altenholz | 277.30 mi (446.27 km) |
| Troisdorf to Altenstadt | 86.68 mi (139.51 km) |
| Troisdorf to Altensteig | 167.11 mi (268.93 km) |
| Troisdorf to Altlandsberg | 306.44 mi (493.17 km) |
| Troisdorf to Altotting | 305.43 mi (491.54 km) |
| Troisdorf to Altusried | 249.84 mi (402.07 km) |
| Troisdorf to Alzenau in Unterfranken | 98.75 mi (158.93 km) |
| Troisdorf to Alzey | 85.23 mi (137.16 km) |
| Troisdorf to Amberg | 228.38 mi (367.54 km) |
| Troisdorf to Andernach | 28.15 mi (45.31 km) |
| Troisdorf to Angermunde | 329.23 mi (529.85 km) |
| Troisdorf to Anklam | 346.04 mi (556.89 km) |
