| Napa to Sestu | 6,254.18 mi (10,065.14 km) |
| Napa to Settimo Torinese | 5,889.98 mi (9,479.00 km) |
| Napa to Seveso | 5,901.36 mi (9,497.32 km) |
| Napa to Sezze | 6,248.60 mi (10,056.15 km) |
| Napa to Siano | 6,335.07 mi (10,195.31 km) |
| Napa to Siena | 6,094.95 mi (9,808.87 km) |
| Napa to Signa | 6,061.94 mi (9,755.75 km) |
| Napa to Silea | 5,988.48 mi (9,637.53 km) |
| Napa to Silvi Paese | 6,217.27 mi (10,005.72 km) |
| Napa to Sinalunga | 6,112.18 mi (9,836.61 km) |
| Napa to Siniscola | 6,201.57 mi (9,980.47 km) |
| Napa to Sinnai | 6,257.51 mi (10,070.48 km) |
| Napa to Siracusa | 6,570.27 mi (10,573.83 km) |
| Napa to Solaro | 5,901.42 mi (9,497.42 km) |
| Napa to Soliera | 6,002.85 mi (9,660.65 km) |
