| Ostrow Mazowiecka to Miedzychod | 252.22 mi (405.91 km) |
| Ostrow Mazowiecka to Miedzyrzec Podlaski | 67.61 mi (108.81 km) |
| Ostrow Mazowiecka to Miedzyrzecz | 265.75 mi (427.69 km) |
| Ostrow Mazowiecka to Mielec | 175.04 mi (281.70 km) |
| Ostrow Mazowiecka to Mikolow | 223.04 mi (358.95 km) |
| Ostrow Mazowiecka to Milanowek | 68.88 mi (110.85 km) |
| Ostrow Mazowiecka to Milicz | 214.28 mi (344.86 km) |
| Ostrow Mazowiecka to Minsk Mazowiecki | 44.86 mi (72.19 km) |
| Ostrow Mazowiecka to Mlawa | 67.46 mi (108.57 km) |
| Ostrow Mazowiecka to Mogilno | 165.59 mi (266.50 km) |
| Ostrow Mazowiecka to Monki | 56.26 mi (90.54 km) |
| Ostrow Mazowiecka to Morag | 111.93 mi (180.13 km) |
| Ostrow Mazowiecka to Mosina | 215.87 mi (347.41 km) |
| Ostrow Mazowiecka to Mragowo | 77.75 mi (125.12 km) |
| Ostrow Mazowiecka to Murowana Goslina | 205.13 mi (330.13 km) |
