| Castel Gandolfo to Carmignano | 165.30 mi (266.03 km) |
| Castel Gandolfo to Carovigno | 270.42 mi (435.19 km) |
| Castel Gandolfo to Carpenedolo | 273.57 mi (440.28 km) |
| Castel Gandolfo to Carpi | 227.87 mi (366.72 km) |
| Castel Gandolfo to Carrara | 206.48 mi (332.30 km) |
| Castel Gandolfo to Carugate | 310.70 mi (500.02 km) |
| Castel Gandolfo to Casal di Principe | 91.89 mi (147.88 km) |
| Castel Gandolfo to Casale Monferrato | 314.61 mi (506.31 km) |
| Castel Gandolfo to Casale sul Sile | 266.70 mi (429.21 km) |
| Castel Gandolfo to Casalecchio di Reno | 201.27 mi (323.91 km) |
| Castel Gandolfo to Casalgrande | 218.51 mi (351.66 km) |
| Castel Gandolfo to Casalmaggiore | 250.39 mi (402.96 km) |
| Castel Gandolfo to Casalnuovo di Napoli | 105.13 mi (169.18 km) |
| Castel Gandolfo to Casalpusterlengo | 280.77 mi (451.85 km) |
| Castel Gandolfo to Casaluce | 95.42 mi (153.57 km) |
