| Boulogne-sur-Mer to Nizza Monferrato | 516.41 mi (831.08 km) |
| Boulogne-sur-Mer to Noale | 599.37 mi (964.59 km) |
| Boulogne-sur-Mer to Nocera Inferiore | 929.65 mi (1,496.12 km) |
| Boulogne-sur-Mer to Nocera Superiore | 931.35 mi (1,498.86 km) |
| Boulogne-sur-Mer to Noceto | 569.42 mi (916.39 km) |
| Boulogne-sur-Mer to Noci | 1,011.10 mi (1,627.21 km) |
| Boulogne-sur-Mer to Noicattaro | 993.90 mi (1,599.53 km) |
| Boulogne-sur-Mer to Nola | 916.45 mi (1,474.88 km) |
| Boulogne-sur-Mer to Nonantola | 604.81 mi (973.35 km) |
| Boulogne-sur-Mer to Noto | 1,164.74 mi (1,874.46 km) |
| Boulogne-sur-Mer to Nova Milanese | 498.03 mi (801.50 km) |
| Boulogne-sur-Mer to Novara | 486.75 mi (783.34 km) |
| Boulogne-sur-Mer to Novate Milanese | 498.48 mi (802.22 km) |
| Boulogne-sur-Mer to Novellara | 585.75 mi (942.67 km) |
| Boulogne-sur-Mer to Noventa Vicentina | 592.15 mi (952.97 km) |
