| Merthyr Tudful to Prestatyn | 109.73 mi (176.59 km) |
| Merthyr Tudful to Preston | 142.16 mi (228.78 km) |
| Merthyr Tudful to Prestonpans | 291.84 mi (469.67 km) |
| Merthyr Tudful to Prestwich | 131.93 mi (212.33 km) |
| Merthyr Tudful to Prestwick | 264.17 mi (425.14 km) |
| Merthyr Tudful to Prudhoe | 231.10 mi (371.91 km) |
| Merthyr Tudful to Pudsey | 158.99 mi (255.86 km) |
| Merthyr Tudful to Quedgeley | 47.27 mi (76.08 km) |
| Merthyr Tudful to Queensbury | 153.90 mi (247.69 km) |
| Merthyr Tudful to Queensferry | 293.44 mi (472.25 km) |
| Merthyr Tudful to Radcliffe | 133.14 mi (214.27 km) |
| Merthyr Tudful to Radstock | 50.65 mi (81.51 km) |
| Merthyr Tudful to Rainham | 173.35 mi (278.97 km) |
| Merthyr Tudful to Rainhill | 118.43 mi (190.59 km) |
| Merthyr Tudful to Ramsbottom | 138.94 mi (223.61 km) |
