| Napa to Los Alamitos (California) | 390.84 mi (629.00 km) |
| Napa to Los Alamos (New Mexico) | 896.89 mi (1,443.41 km) |
| Napa to Los Altos (California) | 65.16 mi (104.86 km) |
| Napa to Los Angeles (California) | 361.42 mi (581.64 km) |
| Napa to Los Banos (California) | 116.84 mi (188.04 km) |
| Napa to Los Gatos (California) | 76.10 mi (122.47 km) |
| Napa to Los Lunas (New Mexico) | 893.23 mi (1,437.51 km) |
| Napa to Los Osos (California) | 222.21 mi (357.62 km) |
| Napa to Loudoun Valley Estates (Virginia) | 2,393.18 mi (3,851.46 km) |
| Napa to Louisville (Colorado) | 925.28 mi (1,489.09 km) |
| Napa to Louisville (Kentucky) | 1,975.99 mi (3,180.04 km) |
| Napa to Lovejoy (Georgia) | 2,137.76 mi (3,440.39 km) |
| Napa to Loveland (Colorado) | 930.98 mi (1,498.26 km) |
| Napa to Loveland (Ohio) | 2,034.09 mi (3,273.56 km) |
| Napa to Loves Park (Illinois) | 1,765.01 mi (2,840.52 km) |
