| Dumbarton to Niscemi | 1,569.20 mi (2,525.39 km) |
| Dumbarton to Nizza Monferrato | 956.15 mi (1,538.78 km) |
| Dumbarton to Noale | 1,017.41 mi (1,637.36 km) |
| Dumbarton to Nocera Inferiore | 1,361.70 mi (2,191.45 km) |
| Dumbarton to Nocera Superiore | 1,363.30 mi (2,194.01 km) |
| Dumbarton to Noceto | 1,002.74 mi (1,613.75 km) |
| Dumbarton to Noci | 1,432.88 mi (2,305.99 km) |
| Dumbarton to Noicattaro | 1,415.23 mi (2,277.59 km) |
| Dumbarton to Nola | 1,348.24 mi (2,169.79 km) |
| Dumbarton to Nonantola | 1,034.89 mi (1,665.49 km) |
| Dumbarton to Noto | 1,603.74 mi (2,580.98 km) |
| Dumbarton to Nova Milanese | 931.93 mi (1,499.79 km) |
| Dumbarton to Novara | 923.68 mi (1,486.52 km) |
| Dumbarton to Novate Milanese | 932.93 mi (1,501.41 km) |
| Dumbarton to Novellara | 1,016.36 mi (1,635.68 km) |
