| Echelon to Stephenville (Texas) | 1,395.59 mi (2,245.99 km) |
| Echelon to Sterling (Colorado) | 1,481.86 mi (2,384.83 km) |
| Echelon to Sterling (Illinois) | 779.30 mi (1,254.17 km) |
| Echelon to Sterling (Virginia) | 141.16 mi (227.17 km) |
| Echelon to Sterling Heights (Michigan) | 458.06 mi (737.17 km) |
| Echelon to Steubenville (Ohio) | 300.98 mi (484.38 km) |
| Echelon to Stevens Point (Wisconsin) | 810.69 mi (1,304.68 km) |
| Echelon to Stevenson Ranch (California) | 2,407.09 mi (3,873.83 km) |
| Echelon to Stillwater (Minnesota) | 975.30 mi (1,569.60 km) |
| Echelon to Stillwater (Oklahoma) | 1,226.01 mi (1,973.07 km) |
| Echelon to Stockbridge (Georgia) | 672.08 mi (1,081.61 km) |
| Echelon to Stockton (California) | 2,465.32 mi (3,967.55 km) |
| Echelon to Stone Ridge (Virginia) | 150.72 mi (242.55 km) |
| Echelon to Stonecrest (Georgia) | 660.71 mi (1,063.31 km) |
| Echelon to Stony Brook (New York) | 122.51 mi (197.15 km) |
