The journey from Herndon to San Diego is a cross-country trip of over 2,300 miles. The most practical way to travel is by flying from Dulles International Airport (IAD) to San Diego International Airport (SAN), which takes about 5.5 hours. San Diego is known for its beautiful beaches, world-class zoo, and mild climate.
Total Distance: 4,200 km driving, 3,700 km air distance.
Book non-stop flights to save time.
Spring or Autumn for mild weather.