| Healdsburg to Sesena | 5,778.68 mi (9,299.89 km) |
| Healdsburg to Sestao | 5,641.84 mi (9,079.67 km) |
| Healdsburg to Sevilla | 5,835.53 mi (9,391.37 km) |
| Healdsburg to Sevilla La Nueva | 5,754.46 mi (9,260.90 km) |
| Healdsburg to Silla | 5,934.25 mi (9,550.26 km) |
| Healdsburg to Silleda | 5,485.85 mi (8,828.62 km) |
| Healdsburg to Sitges | 5,912.45 mi (9,515.17 km) |
| Healdsburg to Socuellamos | 5,852.40 mi (9,418.52 km) |
| Healdsburg to Soller | 6,020.45 mi (9,688.98 km) |
| Healdsburg to Solsona | 5,862.78 mi (9,435.24 km) |
| Healdsburg to Son Servera | 6,050.48 mi (9,737.31 km) |
| Healdsburg to Sonseca | 5,789.77 mi (9,317.73 km) |
| Healdsburg to Sopelana | 5,639.20 mi (9,075.41 km) |
| Healdsburg to Soria | 5,738.59 mi (9,235.37 km) |
| Healdsburg to Suances | 5,599.57 mi (9,011.64 km) |
