| Herndon to Pandino | 4,250.07 mi (6,839.82 km) |
| Herndon to Paola | 4,747.56 mi (7,640.46 km) |
| Herndon to Parabiago | 4,219.15 mi (6,790.07 km) |
| Herndon to Parabita | 4,813.72 mi (7,746.94 km) |
| Herndon to Parma | 4,303.08 mi (6,925.14 km) |
| Herndon to Partanna | 4,667.22 mi (7,511.17 km) |
| Herndon to Partinico | 4,665.65 mi (7,508.65 km) |
| Herndon to Pasian di Prato | 4,382.74 mi (7,053.33 km) |
| Herndon to Paterno | 4,765.40 mi (7,669.17 km) |
| Herndon to Patti | 4,746.47 mi (7,638.71 km) |
| Herndon to Paullo | 4,243.10 mi (6,828.61 km) |
| Herndon to Pavia | 4,240.04 mi (6,823.69 km) |
| Herndon to Pavullo nel Frignano | 4,340.50 mi (6,985.36 km) |
| Herndon to Pedara | 4,771.07 mi (7,678.30 km) |
| Herndon to Pellezzano | 4,639.90 mi (7,467.20 km) |
