How long drive from seattle to Los Angeles?

Driving distance from Seattle, Washington to Los Angeles, California is approximately 1,150 miles (1,850 kilometers) via Interstate 5. The estimated driving time without considering stops for gas, meals, or traffic delays is about 17-18 hours. However, it's important to note that actual travel time can vary depending on traffic conditions, weather, and other factors, and it's always best to allow extra time for unforeseen delays.