| Castel Bolognese to Carmignano | 52.02 mi (83.71 km) |
| Castel Bolognese to Carovigno | 389.35 mi (626.60 km) |
| Castel Bolognese to Carpenedolo | 98.69 mi (158.82 km) |
| Castel Bolognese to Carpi | 55.47 mi (89.27 km) |
| Castel Bolognese to Carrara | 85.79 mi (138.07 km) |
| Castel Bolognese to Carugate | 147.70 mi (237.70 km) |
| Castel Bolognese to Casal di Principe | 256.95 mi (413.53 km) |
| Castel Bolognese to Casale Monferrato | 173.48 mi (279.19 km) |
| Castel Bolognese to Casale sul Sile | 92.42 mi (148.74 km) |
| Castel Bolognese to Casalecchio di Reno | 27.98 mi (45.04 km) |
| Castel Bolognese to Casalgrande | 55.74 mi (89.71 km) |
| Castel Bolognese to Casalmaggiore | 82.30 mi (132.45 km) |
| Castel Bolognese to Casalnuovo di Napoli | 268.29 mi (431.77 km) |
| Castel Bolognese to Casalpusterlengo | 121.12 mi (194.92 km) |
| Castel Bolognese to Casaluce | 259.56 mi (417.72 km) |
