| Napa to Stephenville (Texas) | 1,417.40 mi (2,281.08 km) |
| Napa to Sterling (Colorado) | 1,029.81 mi (1,657.31 km) |
| Napa to Sterling (Illinois) | 1,730.88 mi (2,785.58 km) |
| Napa to Sterling (Virginia) | 2,397.97 mi (3,859.17 km) |
| Napa to Sterling Heights (Michigan) | 2,067.42 mi (3,327.18 km) |
| Napa to Steubenville (Ohio) | 2,209.85 mi (3,556.41 km) |
| Napa to Stevens Point (Wisconsin) | 1,738.09 mi (2,797.19 km) |
| Napa to Stevenson Ranch (California) | 339.94 mi (547.08 km) |
| Napa to Stillwater (Minnesota) | 1,580.87 mi (2,544.16 km) |
| Napa to Stillwater (Oklahoma) | 1,391.78 mi (2,239.85 km) |
| Napa to Stockbridge (Georgia) | 2,140.58 mi (3,444.93 km) |
| Napa to Stockton (California) | 58.20 mi (93.66 km) |
| Napa to Stone Ridge (Virginia) | 2,391.31 mi (3,848.44 km) |
| Napa to Stonecrest (Georgia) | 2,141.86 mi (3,446.99 km) |
| Napa to Stony Brook (New York) | 2,589.37 mi (4,167.20 km) |
