| Delaware to Sugar Hill (Georgia) | 430.19 mi (692.33 km) |
| Delaware to Sugar Land (Texas) | 1,023.54 mi (1,647.23 km) |
| Delaware to Sugarland Run (Virginia) | 315.16 mi (507.21 km) |
| Delaware to Sugarmill Woods (Florida) | 799.05 mi (1,285.94 km) |
| Delaware to Suisun City (California) | 2,070.74 mi (3,332.54 km) |
| Delaware to Suitland (Maryland) | 342.25 mi (550.81 km) |
| Delaware to Sulphur (Louisiana) | 903.82 mi (1,454.56 km) |
| Delaware to Sulphur Springs (Texas) | 850.58 mi (1,368.87 km) |
| Delaware to Summerfield (Maryland) | 343.84 mi (553.36 km) |
| Delaware to Summerfield (North Carolina) | 330.77 mi (532.32 km) |
| Delaware to Summerlin South (Nevada) | 1,764.89 mi (2,840.31 km) |
| Delaware to Summerville (South Carolina) | 528.11 mi (849.91 km) |
| Delaware to Summit (Illinois) | 267.94 mi (431.20 km) |
| Delaware to Summit (New Jersey) | 458.36 mi (737.65 km) |
| Delaware to Sumner (Washington) | 1,989.85 mi (3,202.35 km) |
