| Walnut Creek to Solofra | 6,353.68 mi (10,225.26 km) |
| Walnut Creek to Somma Lombardo | 5,902.25 mi (9,498.76 km) |
| Walnut Creek to Somma Vesuviana | 6,339.71 mi (10,202.78 km) |
| Walnut Creek to Sommacampagna | 5,979.40 mi (9,622.91 km) |
| Walnut Creek to Sona | 5,977.05 mi (9,619.14 km) |
| Walnut Creek to Sondrio | 5,908.65 mi (9,509.06 km) |
| Walnut Creek to Sora | 6,267.59 mi (10,086.71 km) |
| Walnut Creek to Sorbolo | 5,999.17 mi (9,654.73 km) |
| Walnut Creek to Soresina | 5,957.61 mi (9,587.84 km) |
| Walnut Creek to Sorisole | 5,926.71 mi (9,538.12 km) |
| Walnut Creek to Sorrento | 6,352.09 mi (10,222.71 km) |
| Walnut Creek to Sorso | 6,168.78 mi (9,927.69 km) |
| Walnut Creek to Sortino | 6,572.31 mi (10,577.11 km) |
| Walnut Creek to Soverato Marina | 6,527.49 mi (10,504.99 km) |
| Walnut Creek to Sovicille | 6,109.78 mi (9,832.75 km) |
