| Ostrow Mazowiecka to Nevers | 922.01 mi (1,483.83 km) |
| Ostrow Mazowiecka to Nice | 917.81 mi (1,477.07 km) |
| Ostrow Mazowiecka to Nimes | 1,011.75 mi (1,628.26 km) |
| Ostrow Mazowiecka to Niort | 1,091.51 mi (1,756.62 km) |
| Ostrow Mazowiecka to Noeux-les-Mines | 837.57 mi (1,347.94 km) |
| Ostrow Mazowiecka to Nogent-le-Rotrou | 971.36 mi (1,563.26 km) |
| Ostrow Mazowiecka to Nogent-sur-Marne | 887.47 mi (1,428.25 km) |
| Ostrow Mazowiecka to Nogent-sur-Oise | 875.58 mi (1,409.11 km) |
| Ostrow Mazowiecka to Noisiel | 880.98 mi (1,417.80 km) |
| Ostrow Mazowiecka to Noisy-le-Grand | 884.31 mi (1,423.16 km) |
| Ostrow Mazowiecka to Noisy-le-Sec | 887.31 mi (1,427.98 km) |
| Ostrow Mazowiecka to Nort-sur-Erdre | 1,094.86 mi (1,762.01 km) |
| Ostrow Mazowiecka to Notre-Dame-de-Gravenchon | 948.55 mi (1,526.54 km) |
| Ostrow Mazowiecka to Noyon | 845.39 mi (1,360.52 km) |
| Ostrow Mazowiecka to Obernai | 697.73 mi (1,122.88 km) |
