| Opmeer to Carpentras | 597.27 mi (961.22 km) |
| Opmeer to Carquefou | 469.98 mi (756.35 km) |
| Opmeer to Carqueiranne | 665.66 mi (1,071.27 km) |
| Opmeer to Carrieres-sous-Poissy | 288.66 mi (464.55 km) |
| Opmeer to Carrieres-sur-Seine | 286.38 mi (460.89 km) |
| Opmeer to Carros | 625.33 mi (1,006.37 km) |
| Opmeer to Carvin | 174.80 mi (281.31 km) |
| Opmeer to Castanet-Tolosan | 654.06 mi (1,052.61 km) |
| Opmeer to Castelginest | 642.82 mi (1,034.51 km) |
| Opmeer to Castelnau-le-Lez | 628.04 mi (1,010.73 km) |
| Opmeer to Castelnaudary | 662.70 mi (1,066.52 km) |
| Opmeer to Castelsarrasin | 623.57 mi (1,003.55 km) |
| Opmeer to Castres | 640.83 mi (1,031.31 km) |
| Opmeer to Caudebec-les-Elbeuf | 291.47 mi (469.07 km) |
| Opmeer to Caudry | 189.85 mi (305.54 km) |
