| Westbrook to Sestu | 3,960.02 mi (6,373.04 km) |
| Westbrook to Settimo Torinese | 3,697.49 mi (5,950.54 km) |
| Westbrook to Seveso | 3,739.12 mi (6,017.53 km) |
| Westbrook to Sezze | 4,054.47 mi (6,525.04 km) |
| Westbrook to Siano | 4,151.71 mi (6,681.53 km) |
| Westbrook to Siena | 3,912.91 mi (6,297.22 km) |
| Westbrook to Signa | 3,886.48 mi (6,254.68 km) |
| Westbrook to Silea | 3,871.65 mi (6,230.82 km) |
| Westbrook to Silvi Paese | 4,060.58 mi (6,534.87 km) |
| Westbrook to Sinalunga | 3,933.84 mi (6,330.91 km) |
| Westbrook to Siniscola | 3,940.27 mi (6,341.25 km) |
| Westbrook to Sinnai | 3,964.93 mi (6,380.93 km) |
| Westbrook to Siracusa | 4,324.98 mi (6,960.38 km) |
| Westbrook to Solaro | 3,737.79 mi (6,015.39 km) |
| Westbrook to Soliera | 3,845.62 mi (6,188.93 km) |
