| Porterville to Sestu | 6,271.21 mi (10,092.54 km) |
| Porterville to Settimo Torinese | 5,918.71 mi (9,525.24 km) |
| Porterville to Seveso | 5,934.50 mi (9,550.65 km) |
| Porterville to Sezze | 6,281.01 mi (10,108.31 km) |
| Porterville to Siano | 6,369.99 mi (10,251.51 km) |
| Porterville to Siena | 6,127.45 mi (9,861.18 km) |
| Porterville to Signa | 6,095.02 mi (9,808.99 km) |
| Porterville to Silea | 6,028.88 mi (9,702.55 km) |
| Porterville to Silvi Paese | 6,254.75 mi (10,066.05 km) |
| Porterville to Sinalunga | 6,145.41 mi (9,890.08 km) |
| Porterville to Siniscola | 6,223.32 mi (10,015.47 km) |
| Porterville to Sinnai | 6,274.82 mi (10,098.35 km) |
| Porterville to Siracusa | 6,598.20 mi (10,618.78 km) |
| Porterville to Solaro | 5,934.36 mi (9,550.43 km) |
| Porterville to Soliera | 6,037.85 mi (9,716.97 km) |
