| Opwijk to Cologno al Serio | 449.95 mi (724.13 km) |
| Opwijk to Cologno Monzese | 442.62 mi (712.33 km) |
| Opwijk to Colorno | 505.67 mi (813.79 km) |
| Opwijk to Comacchio | 569.56 mi (916.61 km) |
| Opwijk to Comiso | 1,095.85 mi (1,763.60 km) |
| Opwijk to Como | 421.13 mi (677.75 km) |
| Opwijk to Concordia Sagittaria | 535.41 mi (861.66 km) |
| Opwijk to Concorezzo | 440.39 mi (708.74 km) |
| Opwijk to Conegliano | 510.91 mi (822.22 km) |
| Opwijk to Conselice | 569.41 mi (916.37 km) |
| Opwijk to Conselve | 531.06 mi (854.65 km) |
| Opwijk to Conversano | 926.40 mi (1,490.89 km) |
| Opwijk to Copertino | 994.55 mi (1,600.58 km) |
| Opwijk to Copparo | 548.14 mi (882.15 km) |
| Opwijk to Corato | 893.81 mi (1,438.46 km) |
