How far is San Onofre, CA from San Diego, CA?
The driving distance from San Onofre, CA to San Diego, CA is about 56 miles (90.2 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 51.7 miles (83.2 km).
- For a round trip, plan for roughly 01h 47m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 53m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The most populous city in San Diego County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between San Onofre and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Onofre and San Diego.
-
1
Start on Old Pacific Highway
1.1 km · 1 min · Old Pacific Highway
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2
Take the ramp right toward I 5 South: San Diego
1320 ft · 32 sec
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3
Merge slight left onto San Diego Freeway
54.2 mi · 1 hr 4 min · San Diego Freeway
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4
Take the exit slight right toward Front Street, Civic Center, 2nd Avenue
1164 ft · 28 sec
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5
Keep slight right to continue on Front Street, Civic Center
592 ft · 15 sec
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6
Continue on Front Street
2662 ft · 2 min · Front Street
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7
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between San Onofre and San Diego.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
San Diego Freeway
Merge slight left onto San Diego Freeway
54.2 mi · 01h 04m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving San Onofre and Sunny near San Diego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Onofre to San Diego?
The road trip is about 56 miles (90.2 km) and usually takes 00h 53m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Encinitas is a useful midpoint, sitting about 28 miles from San Onofre and 28.1 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 51.7 miles (83.2 km), while the road route adds roughly 4.3 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 4:42 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.40 one way or $24.79 round trip. Estimated CO2 is about 17.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around San Onofre and Sunny near San Diego.
Stop Ideas Near Encinitas
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Inn at Moonlight Beach
Park Hyatt Aviara Resort, Golf Club & Spa
Escondido Building Department
Aviara Golf Club
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Encinitas.
Encinitas, CA
Solana Beach
Carlsbad Poinsettia, CA
Carlsbad Village station
Flight Path Map
This map shows the direct air route between San Onofre and San Diego. Straight-line distance: 51.7 mi (83.21 km).
#1 San Onofre
Located on the Pacific coast of northern San Diego County at an elevation of roughly 30 feet, this area features rugged coastal bluffs overlooking San Onofre State Beach.
| Population | 0 |
| Coordinates | 33.3811400, -117.5731000 |
| Altitude | 9 |
| Country | United States |
#2 San Diego
The eighth most populous city in the United States and the center of the San Diego metropolitan area.
| Population | 1,422,420 |
| Coordinates | 32.7157100, -117.1647200 |
| Altitude | 20 |
| Country | United States |
End: Front Street (-117.164717, 32.71571)
Estimated Travel Time
Distance: 90 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 52m |
| 40 mph (64.37 km/h) | 01h 24m |
| 50 mph (80.47 km/h) | 01h 07m |
| 60 mph (96.56 km/h) | 00h 56m |
| 70 mph (112.65 km/h) | 00h 48m |
| 80 mph (129 km/h) | 00h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $6.26 | $12.40 | $24.79 |
| Mid-grade | $6.50 | $12.87 | $25.74 |
| Premium | $6.69 | $13.24 | $26.49 |
| Diesel | $8.41 | $16.66 | $33.32 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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