| Opera to Castrovillari | 523.11 mi (841.87 km) |
| Opera to Catania | 623.46 mi (1,003.37 km) |
| Opera to Catanzaro | 585.77 mi (942.70 km) |
| Opera to Cattolica | 198.55 mi (319.54 km) |
| Opera to Cava de' Tirreni | 425.67 mi (685.05 km) |
| Opera to Cavallino | 573.53 mi (923.01 km) |
| Opera to Cavarzere | 140.36 mi (225.89 km) |
| Opera to Cave | 308.64 mi (496.71 km) |
| Opera to Cavriago | 79.75 mi (128.35 km) |
| Opera to Cavriglia | 170.66 mi (274.66 km) |
| Opera to Cazzago San Martino | 41.52 mi (66.83 km) |
| Opera to Ceccano | 334.77 mi (538.77 km) |
| Opera to Cecina | 156.56 mi (251.96 km) |
| Opera to Cefalu | 564.71 mi (908.81 km) |
| Opera to Ceglie Messapico | 530.62 mi (853.95 km) |
