| Idar-Oberstein to Juprelle | 104.96 mi (168.91 km) |
| Idar-Oberstein to Jurbise | 160.11 mi (257.68 km) |
| Idar-Oberstein to Kalmthout | 170.16 mi (273.84 km) |
| Idar-Oberstein to Kampenhout | 148.58 mi (239.11 km) |
| Idar-Oberstein to Kapelle-op-den-Bos | 158.09 mi (254.42 km) |
| Idar-Oberstein to Kapellen | 168.24 mi (270.75 km) |
| Idar-Oberstein to Kasterlee | 148.63 mi (239.20 km) |
| Idar-Oberstein to Keerbergen | 148.11 mi (238.37 km) |
| Idar-Oberstein to Kinrooi | 120.84 mi (194.47 km) |
| Idar-Oberstein to Knokke-Heist | 209.62 mi (337.35 km) |
| Idar-Oberstein to Koekelare | 213.24 mi (343.18 km) |
| Idar-Oberstein to Koekelberg | 153.85 mi (247.60 km) |
| Idar-Oberstein to Koksijde | 226.60 mi (364.68 km) |
| Idar-Oberstein to Kontich | 159.78 mi (257.15 km) |
| Idar-Oberstein to Kortemark | 208.93 mi (336.25 km) |
