| Castel Bolognese to Arcore | 151.67 mi (244.09 km) |
| Castel Bolognese to Ardea | 190.36 mi (306.36 km) |
| Castel Bolognese to Arenzano | 154.20 mi (248.17 km) |
| Castel Bolognese to Arese | 158.53 mi (255.13 km) |
| Castel Bolognese to Arezzo | 59.09 mi (95.10 km) |
| Castel Bolognese to Argelato | 28.57 mi (45.98 km) |
| Castel Bolognese to Argenta | 20.70 mi (33.31 km) |
| Castel Bolognese to Ariano Irpino | 274.99 mi (442.55 km) |
| Castel Bolognese to Ariccia | 184.90 mi (297.56 km) |
| Castel Bolognese to Arluno | 162.35 mi (261.28 km) |
| Castel Bolognese to Arona | 186.86 mi (300.73 km) |
| Castel Bolognese to Artena | 187.19 mi (301.25 km) |
| Castel Bolognese to Arzachena | 254.86 mi (410.16 km) |
| Castel Bolognese to Arzano | 266.27 mi (428.52 km) |
| Castel Bolognese to Arzignano | 86.00 mi (138.40 km) |
