| Healdsburg to Southern Pines (North Carolina) | 2,390.43 mi (3,847.02 km) |
| Healdsburg to Southfield (Michigan) | 2,077.19 mi (3,342.91 km) |
| Healdsburg to Southgate (Michigan) | 2,082.07 mi (3,350.76 km) |
| Healdsburg to Southlake (Texas) | 1,488.00 mi (2,394.70 km) |
| Healdsburg to Spanaway (Washington) | 586.02 mi (943.12 km) |
| Healdsburg to Spanish Fork (Utah) | 607.90 mi (978.31 km) |
| Healdsburg to Spanish Lake (Missouri) | 1,751.38 mi (2,818.57 km) |
| Healdsburg to Spanish Springs (Nevada) | 185.56 mi (298.62 km) |
| Healdsburg to Sparks (Nevada) | 181.18 mi (291.58 km) |
| Healdsburg to Spartanburg (South Carolina) | 2,260.96 mi (3,638.67 km) |
| Healdsburg to Spearfish (South Dakota) | 1,061.91 mi (1,708.99 km) |
| Healdsburg to Speedway (Indiana) | 1,948.32 mi (3,135.52 km) |
| Healdsburg to Spencer (Iowa) | 1,473.75 mi (2,371.78 km) |
| Healdsburg to Spokane (Washington) | 681.86 mi (1,097.35 km) |
| Healdsburg to Spokane Valley (Washington) | 685.63 mi (1,103.41 km) |
