| Ostrow Mazowiecka to Myslenice | 221.67 mi (356.75 km) |
| Ostrow Mazowiecka to Mysliborz | 293.38 mi (472.16 km) |
| Ostrow Mazowiecka to Myslowice | 213.51 mi (343.61 km) |
| Ostrow Mazowiecka to Myszkow | 188.92 mi (304.03 km) |
| Ostrow Mazowiecka to Naklo nad Notecia | 180.73 mi (290.86 km) |
| Ostrow Mazowiecka to Namyslow | 214.76 mi (345.63 km) |
| Ostrow Mazowiecka to Nidzica | 72.37 mi (116.47 km) |
| Ostrow Mazowiecka to Niepolomice | 204.40 mi (328.95 km) |
| Ostrow Mazowiecka to Nisko | 157.87 mi (254.06 km) |
| Ostrow Mazowiecka to Nowa Deba | 163.62 mi (263.33 km) |
| Ostrow Mazowiecka to Nowa Ruda | 277.29 mi (446.25 km) |
| Ostrow Mazowiecka to Nowa Sol | 270.15 mi (434.76 km) |
| Ostrow Mazowiecka to Nowe Miasto Lubawskie | 105.18 mi (169.27 km) |
| Ostrow Mazowiecka to Nowogard | 286.73 mi (461.45 km) |
| Ostrow Mazowiecka to Nowy Dwor Gdanski | 150.52 mi (242.23 km) |
