| Opmeer to Corato | 961.18 mi (1,546.86 km) |
| Opmeer to Corbetta | 530.82 mi (854.28 km) |
| Opmeer to Corciano | 742.22 mi (1,194.49 km) |
| Opmeer to Cordenons | 579.89 mi (933.25 km) |
| Opmeer to Cori | 849.29 mi (1,366.79 km) |
| Opmeer to Coriano | 697.37 mi (1,122.32 km) |
| Opmeer to Corigliano Calabro | 1,058.08 mi (1,702.82 km) |
| Opmeer to Corleone | 1,103.85 mi (1,776.47 km) |
| Opmeer to Cormano | 529.30 mi (851.83 km) |
| Opmeer to Cornaredo | 530.44 mi (853.66 km) |
| Opmeer to Cornate d'Adda | 527.85 mi (849.49 km) |
| Opmeer to Cornedo Vicentino | 567.95 mi (914.02 km) |
| Opmeer to Correggio | 608.47 mi (979.23 km) |
| Opmeer to Corridonia | 762.56 mi (1,227.22 km) |
| Opmeer to Corsico | 536.11 mi (862.79 km) |
