| Ostrow Mazowiecka to Mutki | 1,378.42 mi (2,218.35 km) |
| Ostrow Mazowiecka to Nallihan | 978.87 mi (1,575.33 km) |
| Ostrow Mazowiecka to Narlica | 1,338.98 mi (2,154.87 km) |
| Ostrow Mazowiecka to Nazilli | 1,073.76 mi (1,728.05 km) |
| Ostrow Mazowiecka to Nevsehir | 1,154.24 mi (1,857.56 km) |
| Ostrow Mazowiecka to Nigde | 1,193.89 mi (1,921.37 km) |
| Ostrow Mazowiecka to Niksar | 1,101.06 mi (1,771.98 km) |
| Ostrow Mazowiecka to Nizip | 1,333.50 mi (2,146.06 km) |
| Ostrow Mazowiecka to Nurhak | 1,266.31 mi (2,037.93 km) |
| Ostrow Mazowiecka to Nusaybin | 1,430.48 mi (2,302.14 km) |
| Ostrow Mazowiecka to Odemis | 1,047.72 mi (1,686.15 km) |
| Ostrow Mazowiecka to Of | 1,186.60 mi (1,909.65 km) |
| Ostrow Mazowiecka to Oguzeli | 1,328.29 mi (2,137.67 km) |
| Ostrow Mazowiecka to Omerli | 1,403.76 mi (2,259.13 km) |
| Ostrow Mazowiecka to Ondokuzmayis | 1,022.95 mi (1,646.28 km) |
