| Middlesex to Sestu | 4,247.43 mi (6,835.58 km) |
| Middlesex to Settimo Torinese | 3,992.60 mi (6,425.46 km) |
| Middlesex to Seveso | 4,035.44 mi (6,494.42 km) |
| Middlesex to Sezze | 4,347.80 mi (6,997.11 km) |
| Middlesex to Siano | 4,445.15 mi (7,153.77 km) |
| Middlesex to Siena | 4,207.53 mi (6,771.36 km) |
| Middlesex to Signa | 4,181.54 mi (6,729.53 km) |
| Middlesex to Silea | 4,169.29 mi (6,709.82 km) |
| Middlesex to Silvi Paese | 4,355.75 mi (7,009.91 km) |
| Middlesex to Sinalunga | 4,228.55 mi (6,805.19 km) |
| Middlesex to Siniscola | 4,230.14 mi (6,807.75 km) |
| Middlesex to Sinnai | 4,252.43 mi (6,843.62 km) |
| Middlesex to Siracusa | 4,613.87 mi (7,425.31 km) |
| Middlesex to Solaro | 4,034.06 mi (6,492.20 km) |
| Middlesex to Soliera | 4,141.71 mi (6,665.44 km) |
