The distance between Castroville and San Diego is over 1,200 miles. The most practical way to travel is to drive to San Antonio International Airport (SAT) and take a flight to San Diego International Airport (SAN). The flight duration is about 3.5 hours. Driving would take over 19 hours, making flying the preferred choice for most travelers.
Total Distance: 2,100 km driving distance; 1,800 km straight-line air distance.
Book in advance to secure lower fares.
Spring or Fall for the most pleasant weather in San Diego.