| Sinop to Cortona | 1,176.47 mi (1,893.34 km) |
| Sinop to Cosenza | 1,006.20 mi (1,619.32 km) |
| Sinop to Cossato | 1,361.08 mi (2,190.45 km) |
| Sinop to Costa Volpino | 1,268.45 mi (2,041.38 km) |
| Sinop to Creazzo | 1,200.64 mi (1,932.24 km) |
| Sinop to Crema | 1,287.37 mi (2,071.83 km) |
| Sinop to Cremona | 1,270.07 mi (2,043.97 km) |
| Sinop to Crevalcore | 1,215.15 mi (1,955.60 km) |
| Sinop to Crispiano | 933.36 mi (1,502.09 km) |
| Sinop to Crosia | 974.54 mi (1,568.37 km) |
| Sinop to Crotone | 966.38 mi (1,555.24 km) |
| Sinop to Cuneo | 1,392.89 mi (2,241.64 km) |
| Sinop to Cuorgne | 1,386.07 mi (2,230.67 km) |
| Sinop to Cusano Milanino | 1,311.89 mi (2,111.28 km) |
| Sinop to Cutro | 974.30 mi (1,567.99 km) |
