| Herndon to Palestine (Texas) | 1,140.46 mi (1,835.40 km) |
| Herndon to Palisades Park (New Jersey) | 221.57 mi (356.59 km) |
| Herndon to Palm Bay (Florida) | 783.38 mi (1,260.72 km) |
| Herndon to Palm Beach Gardens (Florida) | 852.90 mi (1,372.62 km) |
| Herndon to Palm City (Florida) | 832.02 mi (1,339.01 km) |
| Herndon to Palm Coast (Florida) | 687.68 mi (1,106.72 km) |
| Herndon to Palm Desert (California) | 2,182.26 mi (3,512.00 km) |
| Herndon to Palm Harbor (Florida) | 812.60 mi (1,307.75 km) |
| Herndon to Palm River-Clair Mel (Florida) | 815.30 mi (1,312.10 km) |
| Herndon to Palm Springs (California) | 2,189.73 mi (3,524.03 km) |
| Herndon to Palm Springs (Florida) | 866.56 mi (1,394.59 km) |
| Herndon to Palm Valley (Florida) | 647.15 mi (1,041.48 km) |
| Herndon to Palmdale (California) | 2,254.66 mi (3,628.53 km) |
| Herndon to Palmer Ranch (Florida) | 862.49 mi (1,388.04 km) |
| Herndon to Palmetto (Florida) | 845.26 mi (1,360.32 km) |
