The journey from Van Alstyne to San Diego is approximately 2,300 kilometers. You will take US-75 South to I-20 West, then merge onto I-10 West and finally I-8 West all the way to San Diego. This route typically takes 22 to 24 hours. It is a long but direct drive through Texas, New Mexico, Arizona, and California.
Total Distance: 2,300 km driving distance; 2,000 km straight-line air distance.
Expect heavy traffic near the San Diego city limits.
Travel mid-week to avoid weekend traffic on I-8.