| Sintra to Niscemi | 1,296.06 mi (2,085.81 km) |
| Sintra to Nizza Monferrato | 1,000.24 mi (1,609.73 km) |
| Sintra to Noale | 1,189.01 mi (1,913.52 km) |
| Sintra to Nocera Inferiore | 1,278.69 mi (2,057.85 km) |
| Sintra to Nocera Superiore | 1,280.74 mi (2,061.15 km) |
| Sintra to Noceto | 1,086.86 mi (1,749.12 km) |
| Sintra to Noci | 1,409.23 mi (2,267.93 km) |
| Sintra to Noicattaro | 1,400.64 mi (2,254.11 km) |
| Sintra to Nola | 1,273.13 mi (2,048.91 km) |
| Sintra to Nonantola | 1,125.18 mi (1,810.80 km) |
| Sintra to Noto | 1,337.80 mi (2,152.97 km) |
| Sintra to Nova Milanese | 1,057.32 mi (1,701.59 km) |
| Sintra to Novara | 1,027.63 mi (1,653.82 km) |
| Sintra to Novate Milanese | 1,053.12 mi (1,694.83 km) |
| Sintra to Novellara | 1,113.45 mi (1,791.93 km) |
