| Merthyr Tudful to Nitra | 978.00 mi (1,573.94 km) |
| Merthyr Tudful to Nova Dubnica | 965.00 mi (1,553.01 km) |
| Merthyr Tudful to Nove Mesto nad Vahom | 955.87 mi (1,538.32 km) |
| Merthyr Tudful to Nove Zamky | 989.60 mi (1,592.60 km) |
| Merthyr Tudful to Partizanske | 982.14 mi (1,580.61 km) |
| Merthyr Tudful to Petrzalka | 941.38 mi (1,515.00 km) |
| Merthyr Tudful to Pezinok | 943.49 mi (1,518.41 km) |
| Merthyr Tudful to Piest'any | 960.17 mi (1,545.25 km) |
| Merthyr Tudful to Poprad | 1,054.18 mi (1,696.53 km) |
| Merthyr Tudful to Povazska Bystrica | 973.58 mi (1,566.82 km) |
| Merthyr Tudful to Presov | 1,095.78 mi (1,763.49 km) |
| Merthyr Tudful to Prievidza | 989.24 mi (1,592.03 km) |
| Merthyr Tudful to Puchov | 968.69 mi (1,558.96 km) |
| Merthyr Tudful to Revuca | 1,055.09 mi (1,698.01 km) |
| Merthyr Tudful to Rimavska Sobota | 1,058.33 mi (1,703.21 km) |
