| North Potomac to Poggibonsi | 4,372.04 mi (7,036.11 km) |
| North Potomac to Poggio a Caiano | 4,356.47 mi (7,011.06 km) |
| North Potomac to Poggio Renatico | 4,342.24 mi (6,988.16 km) |
| North Potomac to Poggiomarino | 4,616.33 mi (7,429.27 km) |
| North Potomac to Poirino | 4,180.31 mi (6,727.57 km) |
| North Potomac to Policoro | 4,732.15 mi (7,615.66 km) |
| North Potomac to Polistena | 4,774.72 mi (7,684.16 km) |
| North Potomac to Pomezia | 4,494.25 mi (7,232.80 km) |
| North Potomac to Pomigliano d'Arco | 4,605.39 mi (7,411.67 km) |
| North Potomac to Pompei | 4,615.98 mi (7,428.70 km) |
| North Potomac to Ponsacco | 4,344.41 mi (6,991.66 km) |
| North Potomac to Pontassieve | 4,373.97 mi (7,039.22 km) |
| North Potomac to Ponte Buggianese | 4,341.79 mi (6,987.44 km) |
| North Potomac to Ponte San Pietro | 4,230.43 mi (6,808.22 km) |
| North Potomac to Pontecorvo | 4,553.10 mi (7,327.51 km) |
