| Langley Park to Poggibonsi | 4,365.11 mi (7,024.97 km) |
| Langley Park to Poggio a Caiano | 4,349.62 mi (7,000.04 km) |
| Langley Park to Poggio Renatico | 4,335.66 mi (6,977.57 km) |
| Langley Park to Poggiomarino | 4,609.14 mi (7,417.70 km) |
| Langley Park to Poirino | 4,173.43 mi (6,716.49 km) |
| Langley Park to Policoro | 4,725.06 mi (7,604.25 km) |
| Langley Park to Polistena | 4,767.17 mi (7,672.02 km) |
| Langley Park to Pomezia | 4,487.05 mi (7,221.20 km) |
| Langley Park to Pomigliano d'Arco | 4,598.22 mi (7,400.11 km) |
| Langley Park to Pompei | 4,608.77 mi (7,417.10 km) |
| Langley Park to Ponsacco | 4,337.48 mi (6,980.49 km) |
| Langley Park to Pontassieve | 4,367.15 mi (7,028.24 km) |
| Langley Park to Ponte Buggianese | 4,334.92 mi (6,976.38 km) |
| Langley Park to Ponte San Pietro | 4,223.90 mi (6,797.72 km) |
| Langley Park to Pontecorvo | 4,545.97 mi (7,316.03 km) |
