| Napa to Santa Rosa (California) | 24.25 mi (39.02 km) |
| Napa to Santaquin (Utah) | 574.48 mi (924.54 km) |
| Napa to Santee (California) | 480.04 mi (772.55 km) |
| Napa to Sapulpa (Oklahoma) | 1,446.61 mi (2,328.09 km) |
| Napa to Saraland (Alabama) | 2,000.22 mi (3,219.05 km) |
| Napa to Sarasota (Florida) | 2,408.58 mi (3,876.24 km) |
| Napa to Sarasota Springs (Florida) | 2,413.27 mi (3,883.79 km) |
| Napa to Saratoga (California) | 72.67 mi (116.95 km) |
| Napa to Saratoga Springs (New York) | 2,528.08 mi (4,068.56 km) |
| Napa to Saratoga Springs (Utah) | 572.48 mi (921.32 km) |
| Napa to Sartell (Minnesota) | 1,519.53 mi (2,445.45 km) |
| Napa to Satellite Beach (Florida) | 2,486.28 mi (4,001.27 km) |
| Napa to Sauk Rapids (Minnesota) | 1,522.48 mi (2,450.20 km) |
| Napa to Sault Ste. Marie (Michigan) | 1,995.12 mi (3,210.83 km) |
| Napa to Savage (Minnesota) | 1,552.59 mi (2,498.65 km) |
