| Regensburg to Koscielisko | 352.83 mi (567.82 km) |
| Regensburg to Koscierzyna | 433.70 mi (697.98 km) |
| Regensburg to Kostrzyn | 323.92 mi (521.29 km) |
| Regensburg to Kostrzyn nad Odra | 271.29 mi (436.60 km) |
| Regensburg to Koszalin | 398.85 mi (641.88 km) |
| Regensburg to Kowary | 207.05 mi (333.22 km) |
| Regensburg to Kozienice | 454.13 mi (730.85 km) |
| Regensburg to Kozuchow | 244.22 mi (393.03 km) |
| Regensburg to Kozy | 322.74 mi (519.39 km) |
| Regensburg to Krakow | 359.28 mi (578.21 km) |
| Regensburg to Krapkowice | 281.06 mi (452.32 km) |
| Regensburg to Krasnik | 468.67 mi (754.25 km) |
| Regensburg to Krasnystaw | 510.80 mi (822.05 km) |
| Regensburg to Krosno | 437.22 mi (703.64 km) |
| Regensburg to Krosno Odrzanskie | 246.93 mi (397.40 km) |
