| Opatija to Castelli Calepio | 214.12 mi (344.60 km) |
| Opatija to Castelnovo ne' Monti | 200.77 mi (323.11 km) |
| Opatija to Castelnuovo Berardenga | 194.69 mi (313.32 km) |
| Opatija to Castelnuovo di Porto | 238.65 mi (384.06 km) |
| Opatija to Castelnuovo di Verona | 171.59 mi (276.15 km) |
| Opatija to Castelnuovo Rangone | 173.30 mi (278.90 km) |
| Opatija to Castelvetrano | 534.25 mi (859.80 km) |
| Opatija to Castelvetro di Modena | 173.71 mi (279.56 km) |
| Opatija to Castenaso | 149.65 mi (240.84 km) |
| Opatija to Castenedolo | 194.42 mi (312.89 km) |
| Opatija to Castiglion Fiorentino | 180.92 mi (291.17 km) |
| Opatija to Castiglione del Lago | 188.20 mi (302.87 km) |
| Opatija to Castiglione delle Stiviere | 184.50 mi (296.93 km) |
| Opatija to Castrolibero | 426.85 mi (686.95 km) |
| Opatija to Castrovillari | 393.20 mi (632.79 km) |
