| Ostrow Mazowiecka to Kelkheim (Taunus) | 606.37 mi (975.86 km) |
| Ostrow Mazowiecka to Kelsterbach | 605.11 mi (973.84 km) |
| Ostrow Mazowiecka to Kemberg | 397.57 mi (639.83 km) |
| Ostrow Mazowiecka to Kempen | 663.39 mi (1,067.62 km) |
| Ostrow Mazowiecka to Kempten | 618.73 mi (995.75 km) |
| Ostrow Mazowiecka to Kenzingen | 696.34 mi (1,120.65 km) |
| Ostrow Mazowiecka to Kerpen | 661.31 mi (1,064.28 km) |
| Ostrow Mazowiecka to Ketsch | 625.62 mi (1,006.83 km) |
| Ostrow Mazowiecka to Kevelaer | 666.82 mi (1,073.15 km) |
| Ostrow Mazowiecka to Kiel | 493.35 mi (793.98 km) |
| Ostrow Mazowiecka to Kierspe | 619.84 mi (997.54 km) |
| Ostrow Mazowiecka to Kirchhain | 570.45 mi (918.06 km) |
| Ostrow Mazowiecka to Kirchheim bei Munchen | 547.74 mi (881.50 km) |
| Ostrow Mazowiecka to Kirchheim unter Teck | 614.30 mi (988.63 km) |
| Ostrow Mazowiecka to Kirchhundem | 599.01 mi (964.01 km) |
