Los Angeles, United States → San Diego, United States · ✈ 43 min · 🚗 2h 55min
97 nautical miles · Time difference: Same timezone · Direction: nearby
The distance from Los Angeles to San Diego is 179 km (111 miles). The fastest way to travel is by car. A direct flight takes approximately 43 min.
The straight-line distance from Los Angeles, United States to San Diego, United States is approximately 179 kilometers (111 miles or 97 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
San Diego is located nearby of Los Angeles. Los Angeles is in North America, in the West Coast region of United States, while San Diego is in North America, in West Coast, United States. Both cities are in North America.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 179 km | ~43 min | Quick but may not save time with airport procedures |
| 🚗 Drive | ~233 km | ~2h 55min | Convenient and flexible |
| 🚂 Regular Train | ~215 km | ~1h 47min | Budget-friendly option |
Our recommendation: car is typically the best way to travel from Los Angeles to San Diego. At this distance, driving gives you the most flexibility and avoids airport overhead.
Based on an estimated road distance of 233 km, fuel costs for driving from Los Angeles to San Diego are approximately $19–$35 USD (at $0.08–$0.15 per km, depending on vehicle efficiency and local fuel prices). Additional costs may include tolls, parking, and accommodation for longer trips.
Los Angeles sits at 34.0522°N, 118.2437°W, while San Diego is located at 32.7157°N, 117.1611°W. The initial compass bearing from Los Angeles to San Diego is 146° (SE), so a great-circle flight path leaves Los Angeles heading roughly SE. Because the Earth is curved, the actual heading shifts gradually along the route — pilots and navigation systems update it continuously instead of holding a single fixed compass bearing.
The latitude difference is 1.34° and the longitude difference is 1.08°. Each degree of latitude represents about 111 km, which is one reason cross-latitude routes feel longer even when the map looks similar to east–west journeys.
The geographic midpoint between Los Angeles and San Diego is approximately 33.3851°N, 117.6982°W. This is the great-circle halfway position — the spot where you would be exactly 90 km from each city. For road trips, a stop near this latitude/longitude makes for a natural overnight or lunch break.
Los Angeles and San Diego share the same approximate time zone, so meetings, calls, and arrivals don't require any clock adjustment. This makes the route especially convenient for short business trips. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
Los Angeles is a major city in United States with a population of approximately 3,979,576. Located in the West Coast region, it is an important hub in North America. Los Angeles is a significant metropolitan area in United States with good domestic and international transport connections.
→ See all distances from Los Angeles
San Diego is a notable city in United States with a population of approximately 1,423,851. Situated in the West Coast region, it serves as a key destination in North America. San Diego offers solid transport connections and a variety of arrival options as a major city in United States.
→ See all distances from San Diego
179 km is roughly the distance of a short regional flight or a 3-4 hour drive. For comparison, it's about the distance from London to Paris (344 km). At this range, ground transport often competes with flying when you factor in airport time.
The distance from Los Angeles to San Diego (179 km) is roughly equivalent to 4 marathon distances laid end to end.
At just 179 km within United States, the Los Angeles–San Diego corridor is well-suited for a day trip or weekend getaway. Consider driving for flexibility, or check regional rail connections for a hassle-free journey.
See how the Los Angeles to San Diego distance compares to similar routes:
The straight-line distance from Los Angeles to San Diego is approximately 179 kilometers (111 miles, 97 nautical miles).
A direct flight takes approximately 43 min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 2h 55min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
San Diego is approximately Same timezone compared to Los Angeles.
The estimated road distance is approximately 233 km, which is about 30% longer than the 179 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: May 30, 2026.