| Westbrook to Solofra | 4,157.28 mi (6,690.50 km) |
| Westbrook to Somma Lombardo | 3,719.25 mi (5,985.55 km) |
| Westbrook to Somma Vesuviana | 4,137.83 mi (6,659.19 km) |
| Westbrook to Sommacampagna | 3,819.71 mi (6,147.24 km) |
| Westbrook to Sona | 3,817.87 mi (6,144.27 km) |
| Westbrook to Sondrio | 3,752.57 mi (6,039.18 km) |
| Westbrook to Sora | 4,070.23 mi (6,550.40 km) |
| Westbrook to Sorbolo | 3,821.67 mi (6,150.38 km) |
| Westbrook to Soresina | 3,781.57 mi (6,085.84 km) |
| Westbrook to Sorisole | 3,757.95 mi (6,047.83 km) |
| Westbrook to Sorrento | 4,144.45 mi (6,669.85 km) |
| Westbrook to Sorso | 3,882.23 mi (6,247.84 km) |
| Westbrook to Sortino | 4,309.67 mi (6,935.75 km) |
| Westbrook to Soverato Marina | 4,316.05 mi (6,946.01 km) |
| Westbrook to Sovicille | 3,909.93 mi (6,292.42 km) |
