| Napa to Sumter (South Carolina) | 2,338.30 mi (3,763.14 km) |
| Napa to Sun City (Arizona) | 646.43 mi (1,040.32 km) |
| Napa to Sun City Center (Florida) | 2,406.29 mi (3,872.55 km) |
| Napa to Sun City West (Arizona) | 640.80 mi (1,031.26 km) |
| Napa to Sun Lakes (Arizona) | 681.47 mi (1,096.73 km) |
| Napa to Sun Prairie (Wisconsin) | 1,751.67 mi (2,819.04 km) |
| Napa to Sun Valley (Nevada) | 163.15 mi (262.56 km) |
| Napa to Sun Village (California) | 353.53 mi (568.96 km) |
| Napa to Sunland Park (New Mexico) | 992.75 mi (1,597.67 km) |
| Napa to Sunny Isles Beach (Florida) | 2,586.17 mi (4,162.04 km) |
| Napa to Sunnyside (Washington) | 566.21 mi (911.23 km) |
| Napa to Sunnyvale (California) | 64.91 mi (104.46 km) |
| Napa to Sunrise (Florida) | 2,569.32 mi (4,134.92 km) |
| Napa to Sunrise Manor (Nevada) | 424.80 mi (683.65 km) |
| Napa to Sunset (Florida) | 2,581.92 mi (4,155.20 km) |
