| Port Neches to Poggibonsi | 5,501.96 mi (8,854.55 km) |
| Port Neches to Poggio a Caiano | 5,485.70 mi (8,828.39 km) |
| Port Neches to Poggio Renatico | 5,468.79 mi (8,801.17 km) |
| Port Neches to Poggiomarino | 5,748.36 mi (9,251.09 km) |
| Port Neches to Poirino | 5,309.99 mi (8,545.61 km) |
| Port Neches to Policoro | 5,863.31 mi (9,436.08 km) |
| Port Neches to Polistena | 5,909.18 mi (9,509.91 km) |
| Port Neches to Pomezia | 5,626.48 mi (9,054.95 km) |
| Port Neches to Pomigliano d'Arco | 5,737.34 mi (9,233.36 km) |
| Port Neches to Pompei | 5,748.13 mi (9,250.72 km) |
| Port Neches to Ponsacco | 5,474.49 mi (8,810.33 km) |
| Port Neches to Pontassieve | 5,502.94 mi (8,856.13 km) |
| Port Neches to Ponte Buggianese | 5,471.28 mi (8,805.17 km) |
| Port Neches to Ponte San Pietro | 5,356.54 mi (8,620.53 km) |
| Port Neches to Pontecorvo | 5,684.71 mi (9,148.66 km) |
