| Langley Park to Pandino | 4,231.83 mi (6,810.48 km) |
| Langley Park to Paola | 4,728.72 mi (7,610.14 km) |
| Langley Park to Parabiago | 4,200.91 mi (6,760.70 km) |
| Langley Park to Parabita | 4,795.19 mi (7,717.12 km) |
| Langley Park to Parma | 4,284.78 mi (6,895.69 km) |
| Langley Park to Partanna | 4,647.84 mi (7,479.97 km) |
| Langley Park to Partinico | 4,646.34 mi (7,477.57 km) |
| Langley Park to Pasian di Prato | 4,364.94 mi (7,024.69 km) |
| Langley Park to Paterno | 4,746.16 mi (7,638.20 km) |
| Langley Park to Patti | 4,727.33 mi (7,607.90 km) |
| Langley Park to Paullo | 4,224.86 mi (6,799.25 km) |
| Langley Park to Pavia | 4,221.73 mi (6,794.22 km) |
| Langley Park to Pavullo nel Frignano | 4,322.14 mi (6,955.82 km) |
| Langley Park to Pedara | 4,751.86 mi (7,647.37 km) |
| Langley Park to Pellezzano | 4,621.19 mi (7,437.09 km) |
