| Houma to Sestu | 5,428.81 mi (8,736.82 km) |
| Houma to Settimo Torinese | 5,179.32 mi (8,335.31 km) |
| Houma to Seveso | 5,222.14 mi (8,404.22 km) |
| Houma to Sezze | 5,533.97 mi (8,906.06 km) |
| Houma to Siano | 5,631.35 mi (9,062.78 km) |
| Houma to Siena | 5,394.16 mi (8,681.06 km) |
| Houma to Signa | 5,368.25 mi (8,639.36 km) |
| Houma to Silea | 5,355.50 mi (8,618.84 km) |
| Houma to Silvi Paese | 5,542.47 mi (8,919.75 km) |
| Houma to Sinalunga | 5,415.19 mi (8,714.91 km) |
| Houma to Siniscola | 5,413.96 mi (8,712.93 km) |
| Houma to Sinnai | 5,433.90 mi (8,745.02 km) |
| Houma to Siracusa | 5,796.53 mi (9,328.62 km) |
| Houma to Solaro | 5,220.76 mi (8,402.01 km) |
| Houma to Soliera | 5,328.44 mi (8,575.30 km) |
