| Neu Isenburg to Krotoszyn | 396.92 mi (638.78 km) |
| Neu Isenburg to Kruszwica | 452.87 mi (728.83 km) |
| Neu Isenburg to Krynica | 548.47 mi (882.67 km) |
| Neu Isenburg to Krzeszowice | 484.25 mi (779.32 km) |
| Neu Isenburg to Kudowa-Zdroj | 334.07 mi (537.64 km) |
| Neu Isenburg to Kutno | 485.84 mi (781.88 km) |
| Neu Isenburg to Kwidzyn | 504.44 mi (811.82 km) |
| Neu Isenburg to Lancut | 599.49 mi (964.79 km) |
| Neu Isenburg to Lapy | 641.35 mi (1,032.15 km) |
| Neu Isenburg to Lask | 467.24 mi (751.95 km) |
| Neu Isenburg to Laziska Gorne | 449.55 mi (723.49 km) |
| Neu Isenburg to Lebork | 492.18 mi (792.10 km) |
| Neu Isenburg to Leczna | 625.99 mi (1,007.44 km) |
| Neu Isenburg to Leczyca | 476.05 mi (766.13 km) |
| Neu Isenburg to Legionowo | 550.84 mi (886.49 km) |
