| South Portland to Pelsall | 3,089.09 mi (4,971.41 km) |
| South Portland to Pemberton | 3,043.51 mi (4,898.05 km) |
| South Portland to Pembroke Dock | 2,986.82 mi (4,806.82 km) |
| South Portland to Pen-y-Bont ar Ogwr | 3,046.73 mi (4,903.23 km) |
| South Portland to Penarth | 3,065.09 mi (4,932.79 km) |
| South Portland to Pencoed | 3,049.43 mi (4,907.59 km) |
| South Portland to Pendlebury | 3,058.21 mi (4,921.71 km) |
| South Portland to Penicuik | 2,983.07 mi (4,800.78 km) |
| South Portland to Penistone | 3,084.95 mi (4,964.75 km) |
| South Portland to Penkridge | 3,081.41 mi (4,959.04 km) |
| South Portland to Penrith | 3,019.98 mi (4,860.19 km) |
| South Portland to Penwortham | 3,037.89 mi (4,889.01 km) |
| South Portland to Penzance | 2,993.60 mi (4,817.74 km) |
| South Portland to Perivale | 3,179.21 mi (5,116.45 km) |
| South Portland to Perry Barr | 3,093.97 mi (4,979.26 km) |
