| Merthyr Tudful to Mjolby | 858.02 mi (1,380.85 km) |
| Merthyr Tudful to Molndal | 735.24 mi (1,183.26 km) |
| Merthyr Tudful to Molnlycke | 739.06 mi (1,189.40 km) |
| Merthyr Tudful to Mora | 932.45 mi (1,500.63 km) |
| Merthyr Tudful to Motala | 861.01 mi (1,385.66 km) |
| Merthyr Tudful to Nassjo | 824.98 mi (1,327.68 km) |
| Merthyr Tudful to Nodinge-Nol | 744.89 mi (1,198.79 km) |
| Merthyr Tudful to Norrkoping | 901.27 mi (1,450.45 km) |
| Merthyr Tudful to Norrtalje | 1,014.41 mi (1,632.53 km) |
| Merthyr Tudful to Nybro | 847.63 mi (1,364.13 km) |
| Merthyr Tudful to Nykoping | 932.14 mi (1,500.14 km) |
| Merthyr Tudful to Nynashamn | 967.17 mi (1,556.50 km) |
| Merthyr Tudful to Orebro | 889.27 mi (1,431.15 km) |
| Merthyr Tudful to Orkelljunga | 743.14 mi (1,195.98 km) |
| Merthyr Tudful to Ornskoldsvik | 1,133.01 mi (1,823.41 km) |
