How many hours drive from Ontario CA to La Paz Baja California?

Ontario California to La Paz Baja California is approximately a 17 hour and 30 minutes drive. The distance between the two cities is around 1,040 miles (1,675 kilometers). The route primarily involves taking the Interstate 10 all the way to the United States/Mexico border and then proceeding on Mexican Federal Highways 2, 3, 15, and 19.

Please note that border crossing times and traffic conditions can impact travel times, so it's always advisable to check the latest updates before embarking on your journey. Additionally, make sure you have the necessary documents, including a valid passport, visa (if required), vehicle registration, and insurance, for crossing the border.