| Troisdorf to Anagni | 688.81 mi (1,108.53 km) |
| Troisdorf to Ancona | 579.62 mi (932.82 km) |
| Troisdorf to Andria | 793.92 mi (1,277.69 km) |
| Troisdorf to Angri | 781.93 mi (1,258.40 km) |
| Troisdorf to Anguillara Sabazia | 650.19 mi (1,046.38 km) |
| Troisdorf to Anzio | 697.87 mi (1,123.11 km) |
| Troisdorf to Anzola dell'Emilia | 471.97 mi (759.56 km) |
| Troisdorf to Aosta | 351.27 mi (565.31 km) |
| Troisdorf to Apricena | 738.64 mi (1,188.73 km) |
| Troisdorf to Aprilia | 689.44 mi (1,109.54 km) |
| Troisdorf to Aradeo | 907.68 mi (1,460.77 km) |
| Troisdorf to Aragona | 979.77 mi (1,576.79 km) |
| Troisdorf to Arco | 379.18 mi (610.24 km) |
| Troisdorf to Arcola | 480.21 mi (772.83 km) |
| Troisdorf to Arcore | 371.61 mi (598.05 km) |
