| Merthyr Tudful to Tutzing | 703.52 mi (1,132.20 km) |
| Merthyr Tudful to Twist | 444.81 mi (715.85 km) |
| Merthyr Tudful to Twistringen | 513.13 mi (825.81 km) |
| Merthyr Tudful to Ubach-Palenberg | 413.63 mi (665.68 km) |
| Merthyr Tudful to Uberherrn | 474.77 mi (764.06 km) |
| Merthyr Tudful to Uberlingen | 622.56 mi (1,001.92 km) |
| Merthyr Tudful to Ubstadt-Weiher | 556.48 mi (895.56 km) |
| Merthyr Tudful to Ueckermunde | 739.74 mi (1,190.50 km) |
| Merthyr Tudful to Uelzen | 593.50 mi (955.14 km) |
| Merthyr Tudful to Uetersen | 561.49 mi (903.63 km) |
| Merthyr Tudful to Uetze | 577.70 mi (929.71 km) |
| Merthyr Tudful to Uhingen | 609.51 mi (980.91 km) |
| Merthyr Tudful to Ulm | 634.80 mi (1,021.61 km) |
| Merthyr Tudful to Unna | 474.32 mi (763.34 km) |
| Merthyr Tudful to Unterfohring | 710.06 mi (1,142.73 km) |
