| Opwijk to Castelli Calepio | 452.29 mi (727.89 km) |
| Opwijk to Castelnovo ne' Monti | 535.61 mi (861.98 km) |
| Opwijk to Castelnuovo Berardenga | 628.16 mi (1,010.93 km) |
| Opwijk to Castelnuovo di Porto | 726.07 mi (1,168.50 km) |
| Opwijk to Castelnuovo di Verona | 487.54 mi (784.62 km) |
| Opwijk to Castelnuovo Rangone | 542.51 mi (873.09 km) |
| Opwijk to Castelvetrano | 1,010.02 mi (1,625.47 km) |
| Opwijk to Castelvetro di Modena | 545.86 mi (878.48 km) |
| Opwijk to Castenaso | 559.51 mi (900.44 km) |
| Opwijk to Castenedolo | 472.33 mi (760.14 km) |
| Opwijk to Castiglion Fiorentino | 639.15 mi (1,028.61 km) |
| Opwijk to Castiglione del Lago | 654.63 mi (1,053.52 km) |
| Opwijk to Castiglione delle Stiviere | 481.92 mi (775.58 km) |
| Opwijk to Castrolibero | 992.72 mi (1,597.63 km) |
| Opwijk to Castrovillari | 963.56 mi (1,550.70 km) |
