| Echelon to South Plainfield (New Jersey) | 58.81 mi (94.64 km) |
| Echelon to South Portland (Maine) | 356.50 mi (573.74 km) |
| Echelon to South Riding (Virginia) | 149.19 mi (240.10 km) |
| Echelon to South River (New Jersey) | 52.60 mi (84.65 km) |
| Echelon to South Salt Lake (Utah) | 1,931.76 mi (3,108.86 km) |
| Echelon to South San Francisco (California) | 2,529.77 mi (4,071.27 km) |
| Echelon to South San Jose Hills (California) | 2,380.80 mi (3,831.53 km) |
| Echelon to South Sioux City (Nebraska) | 1,125.59 mi (1,811.46 km) |
| Echelon to South St. Paul (Minnesota) | 982.20 mi (1,580.70 km) |
| Echelon to South Valley (New Mexico) | 1,760.81 mi (2,833.75 km) |
| Echelon to South Venice (Florida) | 981.71 mi (1,579.91 km) |
| Echelon to South Whittier (California) | 2,389.60 mi (3,845.70 km) |
| Echelon to South Yarmouth (Massachusetts) | 280.68 mi (451.70 km) |
| Echelon to Southaven (Mississippi) | 887.83 mi (1,428.82 km) |
| Echelon to Southchase (Florida) | 872.14 mi (1,403.58 km) |
