| Upper Grand Lagoon to Solofra | 5,387.40 mi (8,670.18 km) |
| Upper Grand Lagoon to Somma Lombardo | 4,958.94 mi (7,980.64 km) |
| Upper Grand Lagoon to Somma Vesuviana | 5,367.28 mi (8,637.81 km) |
| Upper Grand Lagoon to Sommacampagna | 5,061.25 mi (8,145.29 km) |
| Upper Grand Lagoon to Sona | 5,059.51 mi (8,142.49 km) |
| Upper Grand Lagoon to Sondrio | 4,995.57 mi (8,039.60 km) |
| Upper Grand Lagoon to Sora | 5,301.71 mi (8,532.28 km) |
| Upper Grand Lagoon to Sorbolo | 5,060.58 mi (8,144.22 km) |
| Upper Grand Lagoon to Soresina | 5,021.32 mi (8,081.04 km) |
| Upper Grand Lagoon to Sorisole | 4,999.13 mi (8,045.32 km) |
| Upper Grand Lagoon to Sorrento | 5,372.71 mi (8,646.53 km) |
| Upper Grand Lagoon to Sorso | 5,098.67 mi (8,205.52 km) |
| Upper Grand Lagoon to Sortino | 5,522.74 mi (8,888.00 km) |
| Upper Grand Lagoon to Soverato Marina | 5,540.35 mi (8,916.34 km) |
| Upper Grand Lagoon to Sovicille | 5,143.76 mi (8,278.09 km) |
