| Grefrath to Ardea | 733.02 mi (1,179.69 km) |
| Grefrath to Arenzano | 491.02 mi (790.21 km) |
| Grefrath to Arese | 418.78 mi (673.97 km) |
| Grefrath to Arezzo | 602.05 mi (968.91 km) |
| Grefrath to Argelato | 521.12 mi (838.67 km) |
| Grefrath to Argenta | 528.97 mi (851.30 km) |
| Grefrath to Ariano Irpino | 817.11 mi (1,315.00 km) |
| Grefrath to Ariccia | 728.85 mi (1,172.97 km) |
| Grefrath to Arluno | 420.34 mi (676.47 km) |
| Grefrath to Arona | 398.59 mi (641.47 km) |
| Grefrath to Artena | 732.72 mi (1,179.20 km) |
| Grefrath to Arzachena | 723.03 mi (1,163.60 km) |
| Grefrath to Arzano | 812.73 mi (1,307.97 km) |
| Grefrath to Arzignano | 462.43 mi (744.21 km) |
| Grefrath to Ascoli Piceno | 677.37 mi (1,090.13 km) |
