| Ostend to Castelli Calepio | 501.27 mi (806.71 km) |
| Ostend to Castelnovo ne' Monti | 583.02 mi (938.27 km) |
| Ostend to Castelnuovo Berardenga | 675.94 mi (1,087.81 km) |
| Ostend to Castelnuovo di Porto | 773.81 mi (1,245.32 km) |
| Ostend to Castelnuovo di Verona | 538.03 mi (865.88 km) |
| Ostend to Castelnuovo Rangone | 591.41 mi (951.79 km) |
| Ostend to Castelvetrano | 1,052.65 mi (1,694.07 km) |
| Ostend to Castelvetro di Modena | 594.70 mi (957.07 km) |
| Ostend to Castenaso | 609.45 mi (980.81 km) |
| Ostend to Castenedolo | 521.86 mi (839.86 km) |
| Ostend to Castiglion Fiorentino | 687.77 mi (1,106.86 km) |
| Ostend to Castiglione del Lago | 703.14 mi (1,131.59 km) |
| Ostend to Castiglione delle Stiviere | 531.76 mi (855.78 km) |
| Ostend to Castrolibero | 1,042.60 mi (1,677.91 km) |
| Ostend to Castrovillari | 1,013.99 mi (1,631.85 km) |
