| Merthyr Tudful to Niscemi | 1,328.52 mi (2,138.04 km) |
| Merthyr Tudful to Nizza Monferrato | 721.68 mi (1,161.43 km) |
| Merthyr Tudful to Noale | 822.43 mi (1,323.58 km) |
| Merthyr Tudful to Nocera Inferiore | 1,142.21 mi (1,838.21 km) |
| Merthyr Tudful to Nocera Superiore | 1,144.01 mi (1,841.10 km) |
| Merthyr Tudful to Noceto | 783.95 mi (1,261.65 km) |
| Merthyr Tudful to Noci | 1,230.23 mi (1,979.86 km) |
| Merthyr Tudful to Noicattaro | 1,213.33 mi (1,952.67 km) |
| Merthyr Tudful to Nola | 1,129.34 mi (1,817.50 km) |
| Merthyr Tudful to Nonantola | 821.73 mi (1,322.45 km) |
| Merthyr Tudful to Noto | 1,365.84 mi (2,198.11 km) |
| Merthyr Tudful to Nova Milanese | 712.96 mi (1,147.40 km) |
| Merthyr Tudful to Novara | 698.13 mi (1,123.53 km) |
| Merthyr Tudful to Novate Milanese | 712.82 mi (1,147.17 km) |
| Merthyr Tudful to Novellara | 802.46 mi (1,291.44 km) |
