| Ostrow Mazowiecka to Kromeriz | 311.06 mi (500.61 km) |
| Ostrow Mazowiecka to Krupka | 373.54 mi (601.15 km) |
| Ostrow Mazowiecka to Kurim | 335.84 mi (540.48 km) |
| Ostrow Mazowiecka to Kutna Hora | 347.10 mi (558.61 km) |
| Ostrow Mazowiecka to Kyjov | 334.35 mi (538.09 km) |
| Ostrow Mazowiecka to Lanskroun | 302.96 mi (487.57 km) |
| Ostrow Mazowiecka to Liberec | 323.93 mi (521.32 km) |
| Ostrow Mazowiecka to Lisen | 335.98 mi (540.72 km) |
| Ostrow Mazowiecka to Litomerice | 367.58 mi (591.56 km) |
| Ostrow Mazowiecka to Litomysl | 314.71 mi (506.48 km) |
| Ostrow Mazowiecka to Litovel | 298.81 mi (480.88 km) |
| Ostrow Mazowiecka to Litvinov | 385.81 mi (620.90 km) |
| Ostrow Mazowiecka to Louny | 386.41 mi (621.87 km) |
| Ostrow Mazowiecka to Lovosice | 371.36 mi (597.65 km) |
| Ostrow Mazowiecka to Lysa nad Labem | 352.80 mi (567.77 km) |
