Sepulveda Boulevard is a street in Los Angeles, California, which stretches some 42.8 miles (about 69 km) from Rinaldi Street at the north end of the San Fernando Valley to the city limits of Hermosa Beach, where it "jumps" 1.3 miles (2.1 km) east and continues on to Long Beach. It generally runs north-south, passing underneath two of the runways of Los Angeles International Airport (LAX). It is the longest street in the city and county of Los Angeles.