| Ridderkerk to Kelkheim (Taunus) | 205.59 mi (330.87 km) |
| Ridderkerk to Kelsterbach | 211.65 mi (340.62 km) |
| Ridderkerk to Kemberg | 342.93 mi (551.89 km) |
| Ridderkerk to Kempen | 85.38 mi (137.41 km) |
| Ridderkerk to Kempten | 382.60 mi (615.73 km) |
| Ridderkerk to Kenzingen | 290.19 mi (467.02 km) |
| Ridderkerk to Kerpen | 113.57 mi (182.77 km) |
| Ridderkerk to Ketsch | 244.06 mi (392.78 km) |
| Ridderkerk to Kevelaer | 73.28 mi (117.93 km) |
| Ridderkerk to Kiel | 285.58 mi (459.59 km) |
| Ridderkerk to Kierspe | 137.28 mi (220.94 km) |
| Ridderkerk to Kirchhain | 199.90 mi (321.71 km) |
| Ridderkerk to Kirchheim bei Munchen | 407.00 mi (655.00 km) |
| Ridderkerk to Kirchheim unter Teck | 308.69 mi (496.79 km) |
| Ridderkerk to Kirchhundem | 158.94 mi (255.80 km) |
