| Diyadin to Cortona | 1,652.18 mi (2,658.93 km) |
| Diyadin to Cosenza | 1,458.32 mi (2,346.94 km) |
| Diyadin to Cossato | 1,838.72 mi (2,959.14 km) |
| Diyadin to Costa Volpino | 1,745.91 mi (2,809.78 km) |
| Diyadin to Creazzo | 1,678.26 mi (2,700.89 km) |
| Diyadin to Crema | 1,765.08 mi (2,840.62 km) |
| Diyadin to Cremona | 1,747.80 mi (2,812.81 km) |
| Diyadin to Crevalcore | 1,692.79 mi (2,724.29 km) |
| Diyadin to Crispiano | 1,394.86 mi (2,244.81 km) |
| Diyadin to Crosia | 1,428.20 mi (2,298.47 km) |
| Diyadin to Crotone | 1,415.06 mi (2,277.31 km) |
| Diyadin to Cuneo | 1,870.37 mi (3,010.07 km) |
| Diyadin to Cuorgne | 1,863.77 mi (2,999.45 km) |
| Diyadin to Cusano Milanino | 1,789.53 mi (2,879.97 km) |
| Diyadin to Cutro | 1,422.75 mi (2,289.69 km) |
