| Napa to Storm Lake (Iowa) | 1,449.38 mi (2,332.56 km) |
| Napa to Storrs (Connecticut) | 2,620.63 mi (4,217.50 km) |
| Napa to Stoughton (Wisconsin) | 1,752.53 mi (2,820.42 km) |
| Napa to Stow (Ohio) | 2,160.45 mi (3,476.91 km) |
| Napa to Streamwood (Illinois) | 1,807.98 mi (2,909.66 km) |
| Napa to Streator (Illinois) | 1,778.74 mi (2,862.61 km) |
| Napa to Streetsboro (Ohio) | 2,164.38 mi (3,483.24 km) |
| Napa to Strongsville (Ohio) | 2,138.70 mi (3,441.91 km) |
| Napa to Stuart (Florida) | 2,537.35 mi (4,083.47 km) |
| Napa to Stuarts Draft (Virginia) | 2,328.61 mi (3,747.53 km) |
| Napa to Sturgis (Michigan) | 1,950.61 mi (3,139.20 km) |
| Napa to Suamico (Wisconsin) | 1,811.30 mi (2,915.01 km) |
| Napa to Sudley (Virginia) | 2,396.72 mi (3,857.15 km) |
| Napa to Suffern (New York) | 2,534.65 mi (4,079.12 km) |
| Napa to Suffolk (Virginia) | 2,479.82 mi (3,990.89 km) |
