| Echelon to Sumter (South Carolina) | 505.37 mi (813.31 km) |
| Echelon to Sun City (Arizona) | 2,093.33 mi (3,368.89 km) |
| Echelon to Sun City Center (Florida) | 938.00 mi (1,509.57 km) |
| Echelon to Sun City West (Arizona) | 2,095.91 mi (3,373.05 km) |
| Echelon to Sun Lakes (Arizona) | 2,082.28 mi (3,351.11 km) |
| Echelon to Sun Prairie (Wisconsin) | 770.79 mi (1,240.47 km) |
| Echelon to Sun Valley (Nevada) | 2,354.05 mi (3,788.48 km) |
| Echelon to Sun Village (California) | 2,369.27 mi (3,812.98 km) |
| Echelon to Sunland Park (New Mexico) | 1,843.91 mi (2,967.48 km) |
| Echelon to Sunny Isles Beach (Florida) | 1,005.58 mi (1,618.32 km) |
| Echelon to Sunnyside (Washington) | 2,283.08 mi (3,674.26 km) |
| Echelon to Sunnyvale (California) | 2,515.30 mi (4,047.98 km) |
| Echelon to Sunrise (Florida) | 994.27 mi (1,600.13 km) |
| Echelon to Sunrise Manor (Nevada) | 2,176.78 mi (3,503.18 km) |
| Echelon to Sunset (Florida) | 1,024.95 mi (1,649.49 km) |
