| Os to Niscemi | 1,642.00 mi (2,642.54 km) |
| Os to Nizza Monferrato | 1,074.24 mi (1,728.81 km) |
| Os to Noale | 1,049.42 mi (1,688.88 km) |
| Os to Nocera Inferiore | 1,401.54 mi (2,255.56 km) |
| Os to Nocera Superiore | 1,402.56 mi (2,257.21 km) |
| Os to Noceto | 1,082.30 mi (1,741.80 km) |
| Os to Noci | 1,431.70 mi (2,304.10 km) |
| Os to Noicattaro | 1,414.02 mi (2,275.65 km) |
| Os to Nola | 1,388.02 mi (2,233.80 km) |
| Os to Nonantola | 1,098.67 mi (1,768.14 km) |
| Os to Noto | 1,667.67 mi (2,683.85 km) |
| Os to Nova Milanese | 1,023.20 mi (1,646.69 km) |
| Os to Novara | 1,029.08 mi (1,656.14 km) |
| Os to Novate Milanese | 1,026.23 mi (1,651.56 km) |
| Os to Novellara | 1,084.33 mi (1,745.06 km) |
