| Herndon to St. Simons (Georgia) | 583.79 mi (939.52 km) |
| Herndon to Stafford (Texas) | 1,218.50 mi (1,960.99 km) |
| Herndon to Stallings (North Carolina) | 322.05 mi (518.30 km) |
| Herndon to Stamford (Connecticut) | 250.46 mi (403.08 km) |
| Herndon to Stanford (California) | 2,409.20 mi (3,877.24 km) |
| Herndon to Stanton (California) | 2,267.80 mi (3,649.68 km) |
| Herndon to Star (Idaho) | 2,035.61 mi (3,275.99 km) |
| Herndon to Starkville (Mississippi) | 741.95 mi (1,194.06 km) |
| Herndon to State College (Pennsylvania) | 128.26 mi (206.42 km) |
| Herndon to Staten Island (New York) | 204.86 mi (329.69 km) |
| Herndon to Statesboro (Georgia) | 513.96 mi (827.14 km) |
| Herndon to Statesville (North Carolina) | 291.59 mi (469.26 km) |
| Herndon to Staunton (Virginia) | 106.39 mi (171.22 km) |
| Herndon to Steamboat Springs (Colorado) | 1,560.59 mi (2,511.52 km) |
| Herndon to Steiner Ranch (Texas) | 1,304.16 mi (2,098.84 km) |
