| Healdsburg to Somersworth (New Hampshire) | 2,688.02 mi (4,325.95 km) |
| Healdsburg to Somerton (Arizona) | 618.77 mi (995.82 km) |
| Healdsburg to Somerville (Massachusetts) | 2,689.65 mi (4,328.58 km) |
| Healdsburg to Somerville (New Jersey) | 2,540.28 mi (4,088.18 km) |
| Healdsburg to Sonoma (California) | 31.74 mi (51.09 km) |
| Healdsburg to Soquel (California) | 122.90 mi (197.78 km) |
| Healdsburg to South Bend (Indiana) | 1,929.59 mi (3,105.38 km) |
| Healdsburg to South Bradenton (Florida) | 2,435.20 mi (3,919.07 km) |
| Healdsburg to South Burlington (Vermont) | 2,558.88 mi (4,118.12 km) |
| Healdsburg to South Charleston (West Virginia) | 2,206.63 mi (3,551.22 km) |
| Healdsburg to South Daytona (Florida) | 2,465.20 mi (3,967.35 km) |
| Healdsburg to South El Monte (California) | 414.24 mi (666.66 km) |
| Healdsburg to South Elgin (Illinois) | 1,822.85 mi (2,933.59 km) |
| Healdsburg to South Euclid (Ohio) | 2,174.07 mi (3,498.83 km) |
| Healdsburg to South Farmingdale (New York) | 2,597.22 mi (4,179.83 km) |
