| Opatija to Cankova | 126.34 mi (203.32 km) |
| Opatija to Celje | 77.85 mi (125.29 km) |
| Opatija to Cerklje na Gorenjskem | 63.88 mi (102.81 km) |
| Opatija to Cerknica | 32.12 mi (51.69 km) |
| Opatija to Cerkno | 56.91 mi (91.59 km) |
| Opatija to Cerkvenjak | 116.11 mi (186.86 km) |
| Opatija to Cirkulane | 107.34 mi (172.75 km) |
| Opatija to Crensovci | 128.56 mi (206.89 km) |
| Opatija to Crna na Koroskem | 82.84 mi (133.31 km) |
| Opatija to Crnomelj | 46.11 mi (74.21 km) |
| Opatija to Destrnik | 110.37 mi (177.62 km) |
| Opatija to Divaca | 28.90 mi (46.52 km) |
| Opatija to Dobje | 76.61 mi (123.29 km) |
| Opatija to Dobrna | 82.59 mi (132.91 km) |
| Opatija to Dobrova | 50.05 mi (80.55 km) |
