| Ostrow Mazowiecka to Mechernich | 669.12 mi (1,076.84 km) |
| Ostrow Mazowiecka to Meckenbeuren | 647.73 mi (1,042.43 km) |
| Ostrow Mazowiecka to Meckenheim | 653.17 mi (1,051.17 km) |
| Ostrow Mazowiecka to Meerane | 424.48 mi (683.13 km) |
| Ostrow Mazowiecka to Meerbusch | 654.84 mi (1,053.86 km) |
| Ostrow Mazowiecka to Meine | 477.47 mi (768.41 km) |
| Ostrow Mazowiecka to Meinerzhagen | 617.39 mi (993.60 km) |
| Ostrow Mazowiecka to Meiningen | 515.33 mi (829.35 km) |
| Ostrow Mazowiecka to Meissen | 375.26 mi (603.93 km) |
| Ostrow Mazowiecka to Meitingen | 566.36 mi (911.47 km) |
| Ostrow Mazowiecka to Melle | 571.00 mi (918.93 km) |
| Ostrow Mazowiecka to Melsungen | 537.48 mi (864.98 km) |
| Ostrow Mazowiecka to Memmelsdorf | 511.42 mi (823.05 km) |
| Ostrow Mazowiecka to Memmingen | 612.87 mi (986.31 km) |
| Ostrow Mazowiecka to Mendig | 648.31 mi (1,043.35 km) |
