| Cities | Distance |
|---|---|
| Herdecke to Anagni | 720.02 mi (1,158.76 km) |
| Herdecke to Ancona | 607.61 mi (977.85 km) |
| Herdecke to Andria | 819.71 mi (1,319.20 km) |
| Herdecke to Angri | 811.54 mi (1,306.04 km) |
| Herdecke to Anguillara Sabazia | 682.81 mi (1,098.88 km) |
| Herdecke to Anzio | 730.36 mi (1,175.40 km) |
| Herdecke to Anzola dell'Emilia | 504.28 mi (811.56 km) |
| Herdecke to Aosta | 391.57 mi (630.17 km) |
| Herdecke to Apricena | 765.34 mi (1,231.69 km) |
| Herdecke to Aprilia | 721.77 mi (1,161.57 km) |
| Herdecke to Aradeo | 931.66 mi (1,499.36 km) |
| Herdecke to Aragona | 1,013.31 mi (1,630.77 km) |
| Herdecke to Arco | 410.16 mi (660.09 km) |
| Herdecke to Arcola | 516.03 mi (830.46 km) |
| Herdecke to Arcore | 407.62 mi (656.00 km) |