| Echelon to Southern Pines (North Carolina) | 402.15 mi (647.20 km) |
| Echelon to Southfield (Michigan) | 466.43 mi (750.64 km) |
| Echelon to Southgate (Michigan) | 457.63 mi (736.48 km) |
| Echelon to Southlake (Texas) | 1,316.55 mi (2,118.78 km) |
| Echelon to Spanaway (Washington) | 2,391.98 mi (3,849.52 km) |
| Echelon to Spanish Fork (Utah) | 1,926.27 mi (3,100.04 km) |
| Echelon to Spanish Lake (Missouri) | 815.43 mi (1,312.30 km) |
| Echelon to Spanish Springs (Nevada) | 2,347.69 mi (3,778.24 km) |
| Echelon to Sparks (Nevada) | 2,351.59 mi (3,784.51 km) |
| Echelon to Spartanburg (South Carolina) | 509.09 mi (819.31 km) |
| Echelon to Spearfish (South Dakota) | 1,501.99 mi (2,417.22 km) |
| Echelon to Speedway (Indiana) | 596.75 mi (960.38 km) |
| Echelon to Spencer (Iowa) | 1,064.97 mi (1,713.90 km) |
| Echelon to Spokane (Washington) | 2,156.58 mi (3,470.69 km) |
| Echelon to Spokane Valley (Washington) | 2,147.36 mi (3,455.84 km) |
