| River Falls to Pelsall | 3,885.87 mi (6,253.71 km) |
| River Falls to Pemberton | 3,828.67 mi (6,161.66 km) |
| River Falls to Pembroke Dock | 3,811.05 mi (6,133.29 km) |
| River Falls to Pen-y-Bont ar Ogwr | 3,868.04 mi (6,225.01 km) |
| River Falls to Penarth | 3,885.83 mi (6,253.63 km) |
| River Falls to Pencoed | 3,870.19 mi (6,228.47 km) |
| River Falls to Pendlebury | 3,842.34 mi (6,183.65 km) |
| River Falls to Penicuik | 3,731.31 mi (6,004.97 km) |
| River Falls to Penistone | 3,865.89 mi (6,221.54 km) |
| River Falls to Penkridge | 3,877.32 mi (6,239.94 km) |
| River Falls to Penrith | 3,786.60 mi (6,093.94 km) |
| River Falls to Penwortham | 3,819.89 mi (6,147.52 km) |
| River Falls to Penzance | 3,844.35 mi (6,186.89 km) |
| River Falls to Perivale | 3,985.52 mi (6,414.08 km) |
| River Falls to Perry Barr | 3,892.14 mi (6,263.79 km) |
