| Castel Bolognese to Grottaglie | 388.26 mi (624.84 km) |
| Castel Bolognese to Grottammare | 138.09 mi (222.24 km) |
| Castel Bolognese to Grugliasco | 213.77 mi (344.02 km) |
| Castel Bolognese to Grumo Appula | 337.46 mi (543.10 km) |
| Castel Bolognese to Grumo Nevano | 265.25 mi (426.88 km) |
| Castel Bolognese to Gualdo Tadino | 89.50 mi (144.03 km) |
| Castel Bolognese to Guardiagrele | 190.18 mi (306.07 km) |
| Castel Bolognese to Guastalla | 69.46 mi (111.79 km) |
| Castel Bolognese to Gubbio | 76.95 mi (123.84 km) |
| Castel Bolognese to Guspini | 368.34 mi (592.79 km) |
| Castel Bolognese to Gussago | 119.87 mi (192.91 km) |
| Castel Bolognese to Iesi | 90.18 mi (145.13 km) |
| Castel Bolognese to Iesolo | 93.66 mi (150.72 km) |
| Castel Bolognese to Iglesias | 384.16 mi (618.25 km) |
| Castel Bolognese to Imola | 4.91 mi (7.90 km) |
