| Echelon to Salisbury (New York) | 97.79 mi (157.38 km) |
| Echelon to Salisbury (North Carolina) | 416.49 mi (670.28 km) |
| Echelon to Salmon Creek (Washington) | 2,414.52 mi (3,885.79 km) |
| Echelon to Salt Lake City (Utah) | 1,932.53 mi (3,110.11 km) |
| Echelon to Sammamish (Washington) | 2,371.06 mi (3,815.86 km) |
| Echelon to San Angelo (Texas) | 1,535.95 mi (2,471.87 km) |
| Echelon to San Anselmo (California) | 2,530.40 mi (4,072.29 km) |
| Echelon to San Antonio (Texas) | 1,510.91 mi (2,431.58 km) |
| Echelon to San Benito (Texas) | 1,611.14 mi (2,592.88 km) |
| Echelon to San Bernardino (California) | 2,345.12 mi (3,774.11 km) |
| Echelon to San Bruno (California) | 2,531.00 mi (4,073.25 km) |
| Echelon to San Buenaventura (California) | 2,444.07 mi (3,933.35 km) |
| Echelon to San Carlos (California) | 2,525.33 mi (4,064.12 km) |
| Echelon to San Carlos Park (Florida) | 1,003.83 mi (1,615.51 km) |
| Echelon to San Clemente (California) | 2,380.33 mi (3,830.78 km) |
