| Ostrow Mazowiecka to Mombris | 579.15 mi (932.05 km) |
| Ostrow Mazowiecka to Monchengladbach | 665.80 mi (1,071.50 km) |
| Ostrow Mazowiecka to Monschau | 686.34 mi (1,104.56 km) |
| Ostrow Mazowiecka to Montabaur | 624.31 mi (1,004.73 km) |
| Ostrow Mazowiecka to Moosburg | 528.81 mi (851.04 km) |
| Ostrow Mazowiecka to Morbach | 669.55 mi (1,077.54 km) |
| Ostrow Mazowiecka to Morfelden-Walldorf | 604.69 mi (973.16 km) |
| Ostrow Mazowiecka to Morlenbach | 610.20 mi (982.03 km) |
| Ostrow Mazowiecka to Morsbach | 619.03 mi (996.24 km) |
| Ostrow Mazowiecka to Mosbach | 601.64 mi (968.24 km) |
| Ostrow Mazowiecka to Mosigkau | 413.39 mi (665.28 km) |
| Ostrow Mazowiecka to Mossingen | 638.50 mi (1,027.57 km) |
| Ostrow Mazowiecka to Much | 631.13 mi (1,015.70 km) |
| Ostrow Mazowiecka to Mucheln | 441.08 mi (709.86 km) |
| Ostrow Mazowiecka to Muhlacker | 627.29 mi (1,009.52 km) |
