| Castel Gandolfo to Corbetta | 317.69 mi (511.27 km) |
| Castel Gandolfo to Corciano | 97.62 mi (157.10 km) |
| Castel Gandolfo to Cordenons | 292.72 mi (471.08 km) |
| Castel Gandolfo to Cori | 15.20 mi (24.46 km) |
| Castel Gandolfo to Coriano | 153.40 mi (246.87 km) |
| Castel Gandolfo to Corigliano Calabro | 251.00 mi (403.94 km) |
| Castel Gandolfo to Corleone | 273.72 mi (440.51 km) |
| Castel Gandolfo to Cormano | 315.22 mi (507.29 km) |
| Castel Gandolfo to Cornaredo | 316.15 mi (508.80 km) |
| Castel Gandolfo to Cornate d'Adda | 313.05 mi (503.81 km) |
| Castel Gandolfo to Cornedo Vicentino | 275.17 mi (442.84 km) |
| Castel Gandolfo to Correggio | 229.09 mi (368.68 km) |
| Castel Gandolfo to Corridonia | 112.81 mi (181.55 km) |
| Castel Gandolfo to Corsico | 310.05 mi (498.97 km) |
| Castel Gandolfo to Cortona | 110.90 mi (178.48 km) |
