| North Potomac to Pontedera | 4,342.84 mi (6,989.13 km) |
| North Potomac to Pontinia | 4,527.58 mi (7,286.44 km) |
| North Potomac to Porcari | 4,336.07 mi (6,978.22 km) |
| North Potomac to Porcia | 4,349.52 mi (6,999.88 km) |
| North Potomac to Pordenone | 4,351.48 mi (7,003.03 km) |
| North Potomac to Portici | 4,606.38 mi (7,413.25 km) |
| North Potomac to Porto Empedocle | 4,701.54 mi (7,566.40 km) |
| North Potomac to Porto Recanati | 4,482.09 mi (7,213.22 km) |
| North Potomac to Porto Sant'Elpidio | 4,491.66 mi (7,228.62 km) |
| North Potomac to Porto Tolle | 4,371.48 mi (7,035.22 km) |
| North Potomac to Porto Torres | 4,339.42 mi (6,983.63 km) |
| North Potomac to Portoferraio | 4,357.74 mi (7,013.10 km) |
| North Potomac to Portogruaro | 4,364.83 mi (7,024.51 km) |
| North Potomac to Portomaggiore | 4,357.99 mi (7,013.51 km) |
| North Potomac to Potenza | 4,677.61 mi (7,527.88 km) |
