| Opatija to Ciampino | 258.52 mi (416.05 km) |
| Opatija to Cicciano | 301.93 mi (485.91 km) |
| Opatija to Cingoli | 146.04 mi (235.02 km) |
| Opatija to Cinisello Balsamo | 246.84 mi (397.25 km) |
| Opatija to Cinisi | 499.00 mi (803.06 km) |
| Opatija to Cirie | 325.67 mi (524.12 km) |
| Opatija to Ciro Marina | 436.55 mi (702.57 km) |
| Opatija to Cislago | 259.20 mi (417.14 km) |
| Opatija to Cisterna di Latina | 268.89 mi (432.74 km) |
| Opatija to Cisternino | 354.97 mi (571.27 km) |
| Opatija to Citta di Castello | 164.43 mi (264.63 km) |
| Opatija to Citta Sant'Angelo | 195.01 mi (313.83 km) |
| Opatija to Cittadella | 123.84 mi (199.30 km) |
| Opatija to Cittanova | 491.12 mi (790.38 km) |
| Opatija to Cividale del Friuli | 67.49 mi (108.61 km) |
