| Cities | Distance |
|---|---|
| Opoczno to Cortona | 680.52 mi (1,095.19 km) |
| Opoczno to Cosenza | 856.83 mi (1,378.94 km) |
| Opoczno to Cossato | 683.74 mi (1,100.38 km) |
| Opoczno to Costa Volpino | 601.98 mi (968.79 km) |
| Opoczno to Creazzo | 570.01 mi (917.34 km) |
| Opoczno to Crema | 638.67 mi (1,027.85 km) |
| Opoczno to Cremona | 638.15 mi (1,027.00 km) |
| Opoczno to Crevalcore | 623.49 mi (1,003.41 km) |
| Opoczno to Crispiano | 758.75 mi (1,221.08 km) |
| Opoczno to Crosia | 833.40 mi (1,341.23 km) |
| Opoczno to Crotone | 863.10 mi (1,389.03 km) |
| Opoczno to Cuneo | 760.96 mi (1,224.65 km) |
| Opoczno to Cuorgne | 710.76 mi (1,143.86 km) |
| Opoczno to Cusano Milanino | 647.58 mi (1,042.19 km) |
| Opoczno to Cutro | 867.72 mi (1,396.45 km) |