| Opoczno to Campodarsego | 557.97 mi (897.97 km) |
| Opoczno to Campogalliano | 634.65 mi (1,021.37 km) |
| Opoczno to Campolongo Maggiore | 562.70 mi (905.58 km) |
| Opoczno to Camponogara | 559.51 mi (900.45 km) |
| Opoczno to Camposampiero | 553.94 mi (891.49 km) |
| Opoczno to Canegrate | 655.78 mi (1,055.38 km) |
| Opoczno to Canelli | 718.45 mi (1,156.24 km) |
| Opoczno to Canicatti | 1,017.91 mi (1,638.17 km) |
| Opoczno to Canosa di Puglia | 730.04 mi (1,174.88 km) |
| Opoczno to Cantu | 640.91 mi (1,031.45 km) |
| Opoczno to Caorle | 523.18 mi (841.97 km) |
| Opoczno to Capaci | 975.01 mi (1,569.13 km) |
| Opoczno to Capannori | 688.36 mi (1,107.80 km) |
| Opoczno to Capena | 735.10 mi (1,183.03 km) |
| Opoczno to Capo d'Orlando | 952.96 mi (1,533.63 km) |
