| Ostrow Mazowiecka to Luban | 304.38 mi (489.85 km) |
| Ostrow Mazowiecka to Lubartow | 96.79 mi (155.76 km) |
| Ostrow Mazowiecka to Lubawa | 101.36 mi (163.13 km) |
| Ostrow Mazowiecka to Lubin | 260.46 mi (419.16 km) |
| Ostrow Mazowiecka to Lublin | 110.78 mi (178.28 km) |
| Ostrow Mazowiecka to Lubliniec | 200.78 mi (323.12 km) |
| Ostrow Mazowiecka to Lubon | 213.10 mi (342.95 km) |
| Ostrow Mazowiecka to Lubsko | 300.86 mi (484.18 km) |
| Ostrow Mazowiecka to Lukow | 63.66 mi (102.45 km) |
| Ostrow Mazowiecka to Lwowek Slaski | 292.89 mi (471.36 km) |
| Ostrow Mazowiecka to Makow Mazowiecki | 33.71 mi (54.25 km) |
| Ostrow Mazowiecka to Malbork | 145.57 mi (234.28 km) |
| Ostrow Mazowiecka to Marki | 46.57 mi (74.94 km) |
| Ostrow Mazowiecka to Miastko | 219.20 mi (352.77 km) |
| Ostrow Mazowiecka to Miechow | 186.81 mi (300.64 km) |
