| Opatija to Catania | 542.77 mi (873.50 km) |
| Opatija to Catanzaro | 459.81 mi (739.99 km) |
| Opatija to Cattolica | 121.84 mi (196.08 km) |
| Opatija to Cava de' Tirreni | 320.77 mi (516.22 km) |
| Opatija to Cavallino | 398.88 mi (641.93 km) |
| Opatija to Cavarzere | 108.78 mi (175.06 km) |
| Opatija to Cave | 252.41 mi (406.21 km) |
| Opatija to Cavriago | 189.09 mi (304.30 km) |
| Opatija to Cavriglia | 187.25 mi (301.35 km) |
| Opatija to Cazzago San Martino | 207.83 mi (334.47 km) |
| Opatija to Ceccano | 264.72 mi (426.03 km) |
| Opatija to Cecina | 233.16 mi (375.24 km) |
| Opatija to Cefalu | 504.59 mi (812.06 km) |
| Opatija to Ceglie Messapico | 361.67 mi (582.05 km) |
| Opatija to Celano | 227.38 mi (365.93 km) |
