| Sozopol to Cosenza | 635.29 mi (1,022.40 km) |
| Sozopol to Cossato | 992.39 mi (1,597.09 km) |
| Sozopol to Costa Volpino | 902.18 mi (1,451.92 km) |
| Sozopol to Creazzo | 832.97 mi (1,340.54 km) |
| Sozopol to Crema | 917.85 mi (1,477.14 km) |
| Sozopol to Cremona | 899.20 mi (1,447.13 km) |
| Sozopol to Crevalcore | 842.09 mi (1,355.22 km) |
| Sozopol to Crispiano | 555.52 mi (894.02 km) |
| Sozopol to Crosia | 602.70 mi (969.96 km) |
| Sozopol to Crotone | 599.39 mi (964.62 km) |
| Sozopol to Cuneo | 1,018.01 mi (1,638.33 km) |
| Sozopol to Cuorgne | 1,016.24 mi (1,635.48 km) |
| Sozopol to Cusano Milanino | 943.37 mi (1,518.20 km) |
| Sozopol to Cutro | 607.39 mi (977.49 km) |
| Sozopol to Cutrofiano | 517.99 mi (833.63 km) |
