| Echelon to Storm Lake (Iowa) | 1,064.36 mi (1,712.92 km) |
| Echelon to Storrs (Connecticut) | 197.28 mi (317.49 km) |
| Echelon to Stoughton (Wisconsin) | 766.42 mi (1,233.44 km) |
| Echelon to Stow (Ohio) | 350.36 mi (563.84 km) |
| Echelon to Streamwood (Illinois) | 703.49 mi (1,132.16 km) |
| Echelon to Streator (Illinois) | 731.51 mi (1,177.25 km) |
| Echelon to Streetsboro (Ohio) | 346.89 mi (558.26 km) |
| Echelon to Strongsville (Ohio) | 372.59 mi (599.62 km) |
| Echelon to Stuart (Florida) | 924.52 mi (1,487.86 km) |
| Echelon to Stuarts Draft (Virginia) | 251.19 mi (404.25 km) |
| Echelon to Sturgis (Michigan) | 560.98 mi (902.80 km) |
| Echelon to Suamico (Wisconsin) | 744.81 mi (1,198.66 km) |
| Echelon to Sudley (Virginia) | 152.41 mi (245.28 km) |
| Echelon to Suffern (New York) | 98.28 mi (158.16 km) |
| Echelon to Suffolk (Virginia) | 235.38 mi (378.81 km) |
