| Herndon to Roy (Utah) | 1,826.88 mi (2,940.08 km) |
| Herndon to Royal Kunia (Hawaii) | 4,814.73 mi (7,748.55 km) |
| Herndon to Royal Oak (Michigan) | 388.33 mi (624.96 km) |
| Herndon to Royal Palm Beach (Florida) | 863.23 mi (1,389.23 km) |
| Herndon to Royse City (Texas) | 1,133.95 mi (1,824.92 km) |
| Herndon to Ruskin (Florida) | 830.32 mi (1,336.27 km) |
| Herndon to Russellville (Alabama) | 649.83 mi (1,045.79 km) |
| Herndon to Russellville (Arkansas) | 903.17 mi (1,453.51 km) |
| Herndon to Ruston (Louisiana) | 962.06 mi (1,548.28 km) |
| Herndon to Rutherford (New Jersey) | 215.83 mi (347.35 km) |
| Herndon to Rutland (Vermont) | 393.73 mi (633.64 km) |
| Herndon to Sabana Grande (Puerto Rico) | 1,572.97 mi (2,531.45 km) |
| Herndon to Sachse (Texas) | 1,147.62 mi (1,846.92 km) |
| Herndon to Saco (Maine) | 478.26 mi (769.68 km) |
| Herndon to Sacramento (California) | 2,351.12 mi (3,783.76 km) |
