| Ridderkerk to Butzbach | 201.84 mi (324.83 km) |
| Ridderkerk to Buxtehude | 240.87 mi (387.63 km) |
| Ridderkerk to Cadolzburg | 321.12 mi (516.80 km) |
| Ridderkerk to Calbe | 305.91 mi (492.32 km) |
| Ridderkerk to Calw | 283.91 mi (456.91 km) |
| Ridderkerk to Castrop-Rauxel | 118.35 mi (190.46 km) |
| Ridderkerk to Celle | 237.72 mi (382.57 km) |
| Ridderkerk to Cham | 397.78 mi (640.16 km) |
| Ridderkerk to Chemnitz | 365.71 mi (588.55 km) |
| Ridderkerk to Clausthal-Zellerfeld | 244.85 mi (394.05 km) |
| Ridderkerk to Cloppenburg | 160.63 mi (258.51 km) |
| Ridderkerk to Coburg | 297.60 mi (478.93 km) |
| Ridderkerk to Coesfeld | 109.55 mi (176.31 km) |
| Ridderkerk to Cologne | 120.06 mi (193.22 km) |
| Ridderkerk to Coswig | 389.44 mi (626.74 km) |
