| Opatija to Busto Garolfo | 262.80 mi (422.94 km) |
| Opatija to Cabras | 474.21 mi (763.17 km) |
| Opatija to Cadelbosco di Sopra | 184.79 mi (297.39 km) |
| Opatija to Cadoneghe | 115.11 mi (185.26 km) |
| Opatija to Cagli | 147.66 mi (237.64 km) |
| Opatija to Cagliari | 498.06 mi (801.55 km) |
| Opatija to Cairo Montenotte | 302.33 mi (486.55 km) |
| Opatija to Caivano | 302.86 mi (487.40 km) |
| Opatija to Calcinaia | 214.29 mi (344.87 km) |
| Opatija to Calcinato | 188.69 mi (303.67 km) |
| Opatija to Calderara di Reno | 157.49 mi (253.45 km) |
| Opatija to Caldogno | 137.19 mi (220.78 km) |
| Opatija to Calenzano | 184.45 mi (296.84 km) |
| Opatija to Calolziocorte | 237.57 mi (382.33 km) |
| Opatija to Caltagirone | 559.47 mi (900.39 km) |
