| Opera to Cankova | 338.82 mi (545.27 km) |
| Opera to Celje | 297.23 mi (478.34 km) |
| Opera to Cerklje na Gorenjskem | 260.62 mi (419.43 km) |
| Opera to Cerknica | 250.18 mi (402.62 km) |
| Opera to Cerkno | 235.83 mi (379.53 km) |
| Opera to Cerkvenjak | 333.04 mi (535.98 km) |
| Opera to Cirkulane | 332.66 mi (535.37 km) |
| Opera to Crensovci | 349.49 mi (562.46 km) |
| Opera to Crna na Koroskem | 280.83 mi (451.96 km) |
| Opera to Crnomelj | 289.56 mi (466.01 km) |
| Opera to Destrnik | 329.11 mi (529.65 km) |
| Opera to Divaca | 230.96 mi (371.69 km) |
| Opera to Dobje | 302.23 mi (486.39 km) |
| Opera to Dobrna | 296.65 mi (477.42 km) |
| Opera to Dobrova | 254.93 mi (410.26 km) |
