| Ukiah to Solofra | 6,312.20 mi (10,158.51 km) |
| Ukiah to Somma Lombardo | 5,862.50 mi (9,434.78 km) |
| Ukiah to Somma Vesuviana | 6,298.65 mi (10,136.70 km) |
| Ukiah to Sommacampagna | 5,937.81 mi (9,555.98 km) |
| Ukiah to Sona | 5,935.45 mi (9,552.18 km) |
| Ukiah to Sondrio | 5,867.26 mi (9,442.45 km) |
| Ukiah to Sora | 6,226.65 mi (10,020.82 km) |
| Ukiah to Sorbolo | 5,958.52 mi (9,589.31 km) |
| Ukiah to Soresina | 5,917.11 mi (9,522.67 km) |
| Ukiah to Sorisole | 5,885.97 mi (9,472.55 km) |
| Ukiah to Sorrento | 6,311.33 mi (10,157.11 km) |
| Ukiah to Sorso | 6,134.18 mi (9,872.01 km) |
| Ukiah to Sortino | 6,533.98 mi (10,515.42 km) |
| Ukiah to Soverato Marina | 6,486.02 mi (10,438.25 km) |
| Ukiah to Sovicille | 6,069.87 mi (9,768.51 km) |
