| Langley Park to Piazza Armerina | 4,728.73 mi (7,610.15 km) |
| Langley Park to Piazzola sul Brenta | 4,322.02 mi (6,955.63 km) |
| Langley Park to Pietrasanta | 4,308.37 mi (6,933.65 km) |
| Langley Park to Pieve di Soligo | 4,327.23 mi (6,964.00 km) |
| Langley Park to Pinerolo | 4,152.02 mi (6,682.03 km) |
| Langley Park to Pioltello | 4,219.32 mi (6,790.34 km) |
| Langley Park to Piombino | 4,355.64 mi (7,009.72 km) |
| Langley Park to Piombino Dese | 4,329.36 mi (6,967.43 km) |
| Langley Park to Piossasco | 4,154.55 mi (6,686.10 km) |
| Langley Park to Piove di Sacco | 4,341.38 mi (6,986.77 km) |
| Langley Park to Pisa | 4,323.93 mi (6,958.69 km) |
| Langley Park to Pisticci | 4,712.95 mi (7,584.76 km) |
| Langley Park to Pistoia | 4,339.17 mi (6,983.21 km) |
| Langley Park to Pizzo | 4,758.88 mi (7,658.68 km) |
| Langley Park to Podenzano | 4,252.12 mi (6,843.13 km) |
