| Herndon to Spout Springs (North Carolina) | 271.08 mi (436.26 km) |
| Herndon to Spring (Texas) | 1,191.91 mi (1,918.20 km) |
| Herndon to Spring Creek (Nevada) | 2,014.38 mi (3,241.84 km) |
| Herndon to Spring Hill (Florida) | 782.37 mi (1,259.10 km) |
| Herndon to Spring Hill (Tennessee) | 568.24 mi (914.50 km) |
| Herndon to Spring Lake (North Carolina) | 276.18 mi (444.47 km) |
| Herndon to Spring Valley (California) | 2,240.58 mi (3,605.87 km) |
| Herndon to Spring Valley (Nevada) | 2,069.89 mi (3,331.16 km) |
| Herndon to Spring Valley (New York) | 230.50 mi (370.96 km) |
| Herndon to Springboro (Ohio) | 368.51 mi (593.06 km) |
| Herndon to Springdale (Arkansas) | 936.73 mi (1,507.53 km) |
| Herndon to Springdale (New Jersey) | 143.28 mi (230.59 km) |
| Herndon to Springdale (Ohio) | 380.51 mi (612.37 km) |
| Herndon to Springfield (Illinois) | 657.05 mi (1,057.42 km) |
| Herndon to Springfield (Massachusetts) | 334.58 mi (538.45 km) |
