| Boone to Sugar Hill (Georgia) | 198.29 mi (319.12 km) |
| Boone to Sugar Land (Texas) | 929.04 mi (1,495.14 km) |
| Boone to Sugarland Run (Virginia) | 305.05 mi (490.93 km) |
| Boone to Sugarmill Woods (Florida) | 519.18 mi (835.53 km) |
| Boone to Suisun City (California) | 2,206.26 mi (3,550.63 km) |
| Boone to Suitland (Maryland) | 317.42 mi (510.84 km) |
| Boone to Sulphur (Louisiana) | 791.19 mi (1,273.30 km) |
| Boone to Sulphur Springs (Texas) | 819.43 mi (1,318.74 km) |
| Boone to Summerfield (Maryland) | 321.98 mi (518.17 km) |
| Boone to Summerfield (North Carolina) | 98.53 mi (158.57 km) |
| Boone to Summerlin South (Nevada) | 1,868.21 mi (3,006.60 km) |
| Boone to Summerville (South Carolina) | 237.32 mi (381.93 km) |
| Boone to Summit (Illinois) | 507.08 mi (816.07 km) |
| Boone to Summit (New Jersey) | 502.60 mi (808.86 km) |
| Boone to Sumner (Washington) | 2,197.22 mi (3,536.08 km) |
