| Ostrow Mazowiecka to Mitcham | 937.18 mi (1,508.24 km) |
| Ostrow Mazowiecka to Mold | 1,036.31 mi (1,667.77 km) |
| Ostrow Mazowiecka to Molesey | 945.99 mi (1,522.43 km) |
| Ostrow Mazowiecka to Monkseaton | 958.34 mi (1,542.29 km) |
| Ostrow Mazowiecka to Monmouth | 1,037.28 mi (1,669.34 km) |
| Ostrow Mazowiecka to Montrose | 1,002.41 mi (1,613.22 km) |
| Ostrow Mazowiecka to Morden | 938.97 mi (1,511.13 km) |
| Ostrow Mazowiecka to Morecambe | 1,018.05 mi (1,638.40 km) |
| Ostrow Mazowiecka to Moreton | 1,033.08 mi (1,662.58 km) |
| Ostrow Mazowiecka to Morley | 968.79 mi (1,559.12 km) |
| Ostrow Mazowiecka to Morpeth | 967.47 mi (1,556.99 km) |
| Ostrow Mazowiecka to Morriston | 1,090.32 mi (1,754.69 km) |
| Ostrow Mazowiecka to Mosbrough | 962.27 mi (1,548.62 km) |
| Ostrow Mazowiecka to Mossley | 988.32 mi (1,590.55 km) |
| Ostrow Mazowiecka to Moston | 994.28 mi (1,600.13 km) |
