| Havre de Grace to Poggibonsi | 4,305.01 mi (6,928.24 km) |
| Havre de Grace to Poggio a Caiano | 4,289.49 mi (6,903.26 km) |
| Havre de Grace to Poggio Renatico | 4,275.46 mi (6,880.68 km) |
| Havre de Grace to Poggiomarino | 4,549.14 mi (7,321.13 km) |
| Havre de Grace to Poirino | 4,113.31 mi (6,619.73 km) |
| Havre de Grace to Policoro | 4,665.01 mi (7,507.61 km) |
| Havre de Grace to Polistena | 4,707.34 mi (7,575.73 km) |
| Havre de Grace to Pomezia | 4,427.05 mi (7,124.64 km) |
| Havre de Grace to Pomigliano d'Arco | 4,538.20 mi (7,303.53 km) |
| Havre de Grace to Pompei | 4,548.77 mi (7,320.54 km) |
| Havre de Grace to Ponsacco | 4,277.37 mi (6,883.77 km) |
| Havre de Grace to Pontassieve | 4,307.01 mi (6,931.46 km) |
| Havre de Grace to Ponte Buggianese | 4,274.79 mi (6,879.62 km) |
| Havre de Grace to Ponte San Pietro | 4,163.69 mi (6,700.81 km) |
| Havre de Grace to Pontecorvo | 4,485.94 mi (7,219.42 km) |
