| Herndon to Sumter (South Carolina) | 385.59 mi (620.55 km) |
| Herndon to Sun City (Arizona) | 1,965.76 mi (3,163.59 km) |
| Herndon to Sun City Center (Florida) | 828.49 mi (1,333.33 km) |
| Herndon to Sun City West (Arizona) | 1,968.50 mi (3,168.00 km) |
| Herndon to Sun Lakes (Arizona) | 1,953.65 mi (3,144.10 km) |
| Herndon to Sun Prairie (Wisconsin) | 681.53 mi (1,096.81 km) |
| Herndon to Sun Valley (Nevada) | 2,245.84 mi (3,614.33 km) |
| Herndon to Sun Village (California) | 2,247.46 mi (3,616.94 km) |
| Herndon to Sunland Park (New Mexico) | 1,709.32 mi (2,750.88 km) |
| Herndon to Sunny Isles Beach (Florida) | 914.29 mi (1,471.41 km) |
| Herndon to Sunnyside (Washington) | 2,196.68 mi (3,535.21 km) |
| Herndon to Sunnyvale (California) | 2,402.57 mi (3,866.56 km) |
| Herndon to Sunrise (Florida) | 901.40 mi (1,450.66 km) |
| Herndon to Sunrise Manor (Nevada) | 2,056.74 mi (3,310.00 km) |
| Herndon to Sunset (Florida) | 932.50 mi (1,500.72 km) |
