| Healdsburg to Sugar Hill (Georgia) | 2,165.43 mi (3,484.93 km) |
| Healdsburg to Sugar Land (Texas) | 1,670.08 mi (2,687.74 km) |
| Healdsburg to Sugarland Run (Virginia) | 2,422.49 mi (3,898.61 km) |
| Healdsburg to Sugarmill Woods (Florida) | 2,398.26 mi (3,859.62 km) |
| Healdsburg to Suisun City (California) | 53.08 mi (85.43 km) |
| Healdsburg to Suitland (Maryland) | 2,449.21 mi (3,941.63 km) |
| Healdsburg to Sulphur (Louisiana) | 1,769.79 mi (2,848.20 km) |
| Healdsburg to Sulphur Springs (Texas) | 1,565.61 mi (2,519.61 km) |
| Healdsburg to Summerfield (Maryland) | 2,451.11 mi (3,944.68 km) |
| Healdsburg to Summerfield (North Carolina) | 2,342.44 mi (3,769.79 km) |
| Healdsburg to Summerlin South (Nevada) | 448.00 mi (720.98 km) |
| Healdsburg to Summerville (South Carolina) | 2,401.20 mi (3,864.36 km) |
| Healdsburg to Summit (Illinois) | 1,849.56 mi (2,976.58 km) |
| Healdsburg to Summit (New Jersey) | 2,550.49 mi (4,104.61 km) |
| Healdsburg to Sumner (Washington) | 594.81 mi (957.26 km) |
