| Niagara Falls to Pontefract | 3,455.52 mi (5,561.12 km) |
| Niagara Falls to Ponteland | 3,406.00 mi (5,481.44 km) |
| Niagara Falls to Pontneddfechan | 3,415.74 mi (5,497.11 km) |
| Niagara Falls to Pontypridd | 3,429.44 mi (5,519.15 km) |
| Niagara Falls to Poole | 3,507.25 mi (5,644.37 km) |
| Niagara Falls to Port Glasgow | 3,277.26 mi (5,274.24 km) |
| Niagara Falls to Port Talbot | 3,411.52 mi (5,490.30 km) |
| Niagara Falls to Portchester | 3,538.41 mi (5,694.52 km) |
| Niagara Falls to Porthcawl | 3,418.67 mi (5,501.82 km) |
| Niagara Falls to Portishead | 3,455.58 mi (5,561.22 km) |
| Niagara Falls to Portlethen | 3,346.62 mi (5,385.86 km) |
| Niagara Falls to Portsmouth | 3,540.72 mi (5,698.24 km) |
| Niagara Falls to Potters Bar | 3,551.84 mi (5,716.14 km) |
| Niagara Falls to Poulton le Fylde | 3,387.44 mi (5,451.56 km) |
| Niagara Falls to Poynton | 3,433.25 mi (5,525.29 km) |
