| Napa to Security-Widefield (Colorado) | 949.71 mi (1,528.42 km) |
| Napa to Sedalia (Missouri) | 1,565.32 mi (2,519.14 km) |
| Napa to Sedro-Woolley (Washington) | 705.71 mi (1,135.73 km) |
| Napa to Seguin (Texas) | 1,513.06 mi (2,435.03 km) |
| Napa to Selden (New York) | 2,594.04 mi (4,174.70 km) |
| Napa to Selma (Alabama) | 2,015.72 mi (3,243.99 km) |
| Napa to Selma (California) | 189.59 mi (305.11 km) |
| Napa to Selma (Texas) | 1,495.16 mi (2,406.22 km) |
| Napa to Seminole (Florida) | 2,379.07 mi (3,828.75 km) |
| Napa to Seven Hills (Ohio) | 2,146.16 mi (3,453.90 km) |
| Napa to Seven Oaks (South Carolina) | 2,295.29 mi (3,693.92 km) |
| Napa to Severn (Maryland) | 2,432.90 mi (3,915.38 km) |
| Napa to Severna Park (Maryland) | 2,440.30 mi (3,927.28 km) |
| Napa to Sevierville (Tennessee) | 2,125.62 mi (3,420.86 km) |
| Napa to Seymour (Indiana) | 1,952.74 mi (3,142.63 km) |
