how long is the california coast

The length of the California coast is commonly reported as approximately 840 miles (about 1350 kilometers). This measurement refers to the general coastline stretching from the northern border with Oregon down to the southern border with Mexico. However, the exact length can vary depending on the method of measurement used. Some detailed measurements that include every inlet and offshore island report a much longer shoreline, up to around 3,427 miles. But the standard figure most often cited for the main coastline is about 840 miles.