| Herzogenrath to Ardea | 708.89 mi (1,140.85 km) |
| Herzogenrath to Arenzano | 462.32 mi (744.03 km) |
| Herzogenrath to Arese | 391.84 mi (630.61 km) |
| Herzogenrath to Arezzo | 578.66 mi (931.26 km) |
| Herzogenrath to Argelato | 498.14 mi (801.68 km) |
| Herzogenrath to Argenta | 507.12 mi (816.13 km) |
| Herzogenrath to Ariano Irpino | 796.52 mi (1,281.88 km) |
| Herzogenrath to Ariccia | 705.00 mi (1,134.58 km) |
| Herzogenrath to Arluno | 393.03 mi (632.52 km) |
| Herzogenrath to Arona | 370.65 mi (596.51 km) |
| Herzogenrath to Artena | 709.29 mi (1,141.49 km) |
| Herzogenrath to Arzachena | 693.92 mi (1,116.76 km) |
| Herzogenrath to Arzano | 790.64 mi (1,272.41 km) |
| Herzogenrath to Arzignano | 441.05 mi (709.79 km) |
| Herzogenrath to Ascoli Piceno | 656.36 mi (1,056.31 km) |
