| Milford Haven to Sestu | 1,093.37 mi (1,759.61 km) |
| Milford Haven to Settimo Torinese | 741.00 mi (1,192.52 km) |
| Milford Haven to Seveso | 768.97 mi (1,237.54 km) |
| Milford Haven to Sezze | 1,106.88 mi (1,781.35 km) |
| Milford Haven to Siano | 1,200.55 mi (1,932.09 km) |
| Milford Haven to Siena | 955.72 mi (1,538.08 km) |
| Milford Haven to Signa | 925.46 mi (1,489.39 km) |
| Milford Haven to Silea | 891.82 mi (1,435.25 km) |
| Milford Haven to Silvi Paese | 1,095.52 mi (1,763.06 km) |
| Milford Haven to Sinalunga | 975.30 mi (1,569.59 km) |
| Milford Haven to Siniscola | 1,040.26 mi (1,674.14 km) |
| Milford Haven to Sinnai | 1,096.50 mi (1,764.64 km) |
| Milford Haven to Siracusa | 1,415.93 mi (2,278.73 km) |
| Milford Haven to Solaro | 768.15 mi (1,236.22 km) |
| Milford Haven to Soliera | 876.00 mi (1,409.78 km) |
