| Idar-Oberstein to Krotoszyn | 462.95 mi (745.04 km) |
| Idar-Oberstein to Kruszwica | 518.46 mi (834.38 km) |
| Idar-Oberstein to Krynica | 610.89 mi (983.12 km) |
| Idar-Oberstein to Krzeszowice | 548.20 mi (882.25 km) |
| Idar-Oberstein to Kudowa-Zdroj | 398.75 mi (641.72 km) |
| Idar-Oberstein to Kutno | 551.84 mi (888.10 km) |
| Idar-Oberstein to Kwidzyn | 568.73 mi (915.28 km) |
| Idar-Oberstein to Lancut | 663.52 mi (1,067.83 km) |
| Idar-Oberstein to Lapy | 707.26 mi (1,138.22 km) |
| Idar-Oberstein to Lask | 533.19 mi (858.09 km) |
| Idar-Oberstein to Laziska Gorne | 513.50 mi (826.40 km) |
| Idar-Oberstein to Lebork | 553.80 mi (891.25 km) |
| Idar-Oberstein to Leczna | 691.60 mi (1,113.02 km) |
| Idar-Oberstein to Leczyca | 542.07 mi (872.39 km) |
| Idar-Oberstein to Legionowo | 616.85 mi (992.72 km) |
