| Opera to Campodarsego | 131.13 mi (211.04 km) |
| Opera to Campogalliano | 93.27 mi (150.10 km) |
| Opera to Campolongo Maggiore | 137.59 mi (221.43 km) |
| Opera to Camponogara | 138.30 mi (222.57 km) |
| Opera to Camposampiero | 132.22 mi (212.79 km) |
| Opera to Canegrate | 18.68 mi (30.07 km) |
| Opera to Canelli | 64.26 mi (103.41 km) |
| Opera to Canicatti | 603.47 mi (971.19 km) |
| Opera to Canosa di Puglia | 448.62 mi (721.99 km) |
| Opera to Cantu | 24.52 mi (39.46 km) |
| Opera to Caorle | 178.21 mi (286.80 km) |
| Opera to Capaci | 539.68 mi (868.53 km) |
| Opera to Capannori | 125.02 mi (201.20 km) |
| Opera to Capena | 278.72 mi (448.55 km) |
| Opera to Capo d'Orlando | 574.63 mi (924.78 km) |
