| Idar-Oberstein to Klaukkala | 1,003.81 mi (1,615.47 km) |
| Idar-Oberstein to Kokkola | 1,138.02 mi (1,831.47 km) |
| Idar-Oberstein to Kontiolahti | 1,237.28 mi (1,991.21 km) |
| Idar-Oberstein to Korsholm | 1,070.97 mi (1,723.56 km) |
| Idar-Oberstein to Kotka | 1,066.79 mi (1,716.83 km) |
| Idar-Oberstein to Kouvola | 1,076.65 mi (1,732.70 km) |
| Idar-Oberstein to Kuhmo | 1,287.25 mi (2,071.62 km) |
| Idar-Oberstein to Kuopio | 1,188.96 mi (1,913.45 km) |
| Idar-Oberstein to Kurikka | 1,058.15 mi (1,702.93 km) |
| Idar-Oberstein to Kuusamo | 1,365.83 mi (2,198.09 km) |
| Idar-Oberstein to Kuusankoski | 1,076.16 mi (1,731.91 km) |
| Idar-Oberstein to Lahti | 1,053.72 mi (1,695.81 km) |
| Idar-Oberstein to Laitila | 952.68 mi (1,533.19 km) |
| Idar-Oberstein to Lapinlahti | 1,203.68 mi (1,937.13 km) |
| Idar-Oberstein to Lappeenranta | 1,124.89 mi (1,810.33 km) |
