| Herndon to Potenza Picena | 4,493.96 mi (7,232.34 km) |
| Herndon to Pozzallo | 4,795.09 mi (7,716.96 km) |
| Herndon to Pozzuoli | 4,608.10 mi (7,416.02 km) |
| Herndon to Prato | 4,367.18 mi (7,028.29 km) |
| Herndon to Preganziol | 4,357.51 mi (7,012.73 km) |
| Herndon to Priolo Gargallo | 4,793.70 mi (7,714.71 km) |
| Herndon to Priverno | 4,543.14 mi (7,311.48 km) |
| Herndon to Pulsano | 4,766.60 mi (7,671.09 km) |
| Herndon to Putignano | 4,738.50 mi (7,625.88 km) |
| Herndon to Qualiano | 4,605.88 mi (7,412.46 km) |
| Herndon to Quarrata | 4,363.39 mi (7,022.20 km) |
| Herndon to Quartu Sant'Elena | 4,441.81 mi (7,148.40 km) |
| Herndon to Quartucciu | 4,441.05 mi (7,147.18 km) |
| Herndon to Quattro Castella | 4,314.64 mi (6,943.74 km) |
| Herndon to Quinto di Treviso | 4,353.01 mi (7,005.49 km) |
