| Napa to Southern Pines (North Carolina) | 2,363.42 mi (3,803.56 km) |
| Napa to Southfield (Michigan) | 2,056.41 mi (3,309.47 km) |
| Napa to Southgate (Michigan) | 2,061.00 mi (3,316.86 km) |
| Napa to Southlake (Texas) | 1,454.92 mi (2,341.46 km) |
| Napa to Spanaway (Washington) | 608.08 mi (978.61 km) |
| Napa to Spanish Fork (Utah) | 583.96 mi (939.79 km) |
| Napa to Spanish Lake (Missouri) | 1,725.70 mi (2,777.25 km) |
| Napa to Spanish Springs (Nevada) | 169.70 mi (273.10 km) |
| Napa to Sparks (Nevada) | 164.53 mi (264.79 km) |
| Napa to Spartanburg (South Carolina) | 2,233.22 mi (3,594.03 km) |
| Napa to Spearfish (South Dakota) | 1,046.27 mi (1,683.81 km) |
| Napa to Speedway (Indiana) | 1,924.30 mi (3,096.86 km) |
| Napa to Spencer (Iowa) | 1,453.61 mi (2,339.37 km) |
| Napa to Spokane (Washington) | 692.20 mi (1,113.98 km) |
| Napa to Spokane Valley (Washington) | 695.51 mi (1,119.31 km) |
