| London Colney to Pemberton | 159.82 mi (257.21 km) |
| London Colney to Pembroke Dock | 198.88 mi (320.07 km) |
| London Colney to Pen-y-Bont ar Ogwr | 141.45 mi (227.64 km) |
| London Colney to Penarth | 124.91 mi (201.02 km) |
| London Colney to Pencoed | 138.17 mi (222.36 km) |
| London Colney to Pendlebury | 149.31 mi (240.30 km) |
| London Colney to Penicuik | 307.28 mi (494.52 km) |
| London Colney to Penistone | 136.22 mi (219.22 km) |
| London Colney to Penkridge | 103.32 mi (166.28 km) |
| London Colney to Penrith | 227.02 mi (365.36 km) |
| London Colney to Penwortham | 172.07 mi (276.92 km) |
| London Colney to Penzance | 253.60 mi (408.14 km) |
| London Colney to Perivale | 12.99 mi (20.91 km) |
| London Colney to Perry Barr | 87.62 mi (141.01 km) |
| London Colney to Perth | 346.68 mi (557.93 km) |
