| Norristown to Pontedera | 4,219.41 mi (6,790.48 km) |
| Norristown to Pontinia | 4,404.17 mi (7,087.83 km) |
| Norristown to Porcari | 4,212.63 mi (6,779.58 km) |
| Norristown to Porcia | 4,226.26 mi (6,801.51 km) |
| Norristown to Pordenone | 4,228.22 mi (6,804.66 km) |
| Norristown to Portici | 4,482.97 mi (7,214.64 km) |
| Norristown to Porto Empedocle | 4,578.53 mi (7,368.44 km) |
| Norristown to Porto Recanati | 4,358.67 mi (7,014.60 km) |
| Norristown to Porto Sant'Elpidio | 4,368.24 mi (7,030.00 km) |
| Norristown to Porto Tolle | 4,248.12 mi (6,836.68 km) |
| Norristown to Porto Torres | 4,216.25 mi (6,785.40 km) |
| Norristown to Portoferraio | 4,234.32 mi (6,814.48 km) |
| Norristown to Portogruaro | 4,241.55 mi (6,826.12 km) |
| Norristown to Portomaggiore | 4,234.60 mi (6,814.92 km) |
| Norristown to Potenza | 4,554.18 mi (7,329.25 km) |
