San Antonio to San Diego: Road Trip Guide & Distance

1126.4 miles 1812.7 km · straight line
1276.4 miles actual route 2054.1 km · driving distance
21h 31min estimated drive time
$123 - $151 estimated fuel cost
~2h 46min flight time
286° WNW bearing direction

How far is San Antonio from San Diego?

The distance from San Antonio to San Diego is 1126.4 miles (1812.7 km) as the crow flies. San Diego is located WNW of San Antonio. By car, the driving distance is approximately 1276.4 miles, taking about 21h 31min. A direct flight would take roughly 2h 46min. Both are located in United States — San Antonio in Texas and San Diego in California.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for San Antonio and San Diego. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from San Antonio to San Diego

Method Time Est. Cost Best For
Drive 21h 31min $123 - $151 Flexible stops
Fly ~2h 46min $80–200* Speed
Bus ~25h 49min $102–$191* Budget
Train ~27h 58min $153–$447* Comfort

Suggested Stops Between San Antonio & San Diego

Quick Facts

San Antonio
29.42°N, 98.49°W
America/Chicago
198m elevation
San Diego
32.72°N, 117.16°W
America/Los_Angeles
20m elevation
Explore more routes from San Diego

Did You Know?

  • At walking speed (3 mph), it would take about 375 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 94 hours
  • You could travel this distance about 22.1 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM