| River Grove to Pelsall | 3,848.33 mi (6,193.28 km) |
| River Grove to Pemberton | 3,795.07 mi (6,107.58 km) |
| River Grove to Pembroke Dock | 3,762.36 mi (6,054.93 km) |
| River Grove to Pen-y-Bont ar Ogwr | 3,820.90 mi (6,149.15 km) |
| River Grove to Penarth | 3,839.04 mi (6,178.34 km) |
| River Grove to Pencoed | 3,823.29 mi (6,152.98 km) |
| River Grove to Pendlebury | 3,809.23 mi (6,130.37 km) |
| River Grove to Penicuik | 3,710.46 mi (5,971.41 km) |
| River Grove to Penistone | 3,834.16 mi (6,170.49 km) |
| River Grove to Penkridge | 3,840.04 mi (6,179.94 km) |
| River Grove to Penrith | 3,759.54 mi (6,050.39 km) |
| River Grove to Penwortham | 3,787.41 mi (6,095.24 km) |
| River Grove to Penzance | 3,785.33 mi (6,091.90 km) |
| River Grove to Perivale | 3,945.05 mi (6,348.95 km) |
| River Grove to Perry Barr | 3,854.11 mi (6,202.59 km) |
