How far is Duarte, CA from San Diego, CA?
The driving distance from Duarte, CA to San Diego, CA is about 125.6 miles (202.2 km), with a travel time of about 01h 59m by car.
- The straight-line flight distance is about 109 miles (175.4 km).
- For a round trip, plan for roughly 03h 58m 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 01h 59m.
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 Riverside County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Duarte and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Duarte and San Diego.
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1
Start on the route
63 m · 17 sec
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2
At the end of the road, turn right
25 m · 11 sec
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3
Turn left onto Buena Vista Street
1461 ft · 44 sec · Buena Vista Street
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4
Take the ramp left toward I 210 East: San Bernardino
1371 ft · 35 sec
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5
Merge slight left onto Foothill Freeway
7.8 mi · 9 min · Foothill Freeway
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6
Keep slight right to continue on Foothill Freeway
2476 ft · 33 sec · Foothill Freeway
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7
Take the exit slight right toward CA 57 South: Santa Ana
1.4 km · 2 min
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8
Continue on Orange Freeway
3.2 mi · 4 min · Orange Freeway
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9
Take the exit slight right toward CA 71: Corona
1.1 mi · 2 min
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10
Continue on Chino Valley Freeway
12.8 mi · 15 min · Chino Valley Freeway
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11
Continue on Corona Freeway
2.9 mi · 4 min · Corona Freeway
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12
Keep slight left to continue on CA 91 East: Riverside
1.2 km · 1 min
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13
Merge slight left onto Riverside Freeway
3.9 mi · 4 min · Riverside Freeway
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14
Take the exit slight right toward I 15 North, I 15 South: Barstow, San Diego
1.3 km · 55 sec · Corona Freeway
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15
Keep slight right to continue on Corona Freeway
2418 ft · 59 sec · Corona Freeway
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16
Merge slight left onto Corona Freeway
14.2 mi · 16 min · Corona Freeway
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17
Continue on Temecula Valley Freeway
19.1 mi · 20 min · Temecula Valley Freeway
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18
Merge slight right onto Escondido Freeway
5.8 mi · 6 min · Escondido Freeway
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19
Continue on Avocado Highway
21.9 mi · 24 min · Avocado Highway
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20
Continue on Escondido Freeway
3.4 mi · 4 min · Escondido Freeway
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21
Keep slight right to continue on Escondido Freeway
8.7 mi · 10 min · Escondido Freeway
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22
Continue on Tony Gwynn Memorial Freeway
4.5 mi · 5 min · Tony Gwynn Memorial Freeway
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23
Continue on Escondido Freeway
3.1 mi · 4 min · Escondido Freeway
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24
Continue on Semper Fi Highway
2.2 mi · 3 min · Semper Fi Highway
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25
Take the exit slight right toward CA 163 South
1.2 km · 52 sec
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26
Continue on Cabrillo Freeway
8.2 mi · 9 min · Cabrillo Freeway
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27
Continue on Cabrillo Parkway
1.5 mi · 2 min · Cabrillo Parkway
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28
Continue on Cabrillo Parkway
1.3 km · 1 min · Cabrillo Parkway
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29
Continue on 10th Avenue
1507 ft · 42 sec · 10th Avenue
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30
Turn right onto Broadway
2811 ft · 1 min · Broadway
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31
Turn left onto Front Street
8 m · 1 sec · Front Street
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32
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between Duarte 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.
Avocado Highway
Continue on Avocado Highway
21.9 mi · 00h 24m
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.
Mostly Sunny leaving Duarte and Mostly Sunny near San Diego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Duarte to San Diego?
The road trip is about 125.6 miles (202.2 km) and usually takes 01h 59m 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?
Murrieta is a useful midpoint, sitting about 65.4 miles from Duarte and 60.3 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 109 miles (175.4 km), while the road route adds roughly 16.6 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 2:32 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.56 one way or $51.11 round trip. Estimated CO2 is about 39.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Duarte and Mostly Sunny near San Diego.
Stop Ideas Near Murrieta
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Rodeway Inn & Suites Canyon Lake I-15
Rotary Park
City of Wildomar
Superior Court of California, County of Riverside - Southwest Justice Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Murrieta.
Sun City, California
Perris, California
Hemet (West Florida Ave), California
Hemet (Devonshire Ave), California
Flight Path Map
This map shows the direct air route between Duarte and San Diego. Straight-line distance: 108.96 mi (175.35 km).
#1 Duarte
City in Los Angeles County, California, United States of America
| Population | 21,001 |
| Coordinates | 34.1394500, -117.9772900 |
| Altitude | 156 |
| 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: 202 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 11m |
| 40 mph (64.37 km/h) | 03h 08m |
| 50 mph (80.47 km/h) | 02h 30m |
| 60 mph (96.56 km/h) | 02h 05m |
| 70 mph (112.65 km/h) | 01h 47m |
| 80 mph (129 km/h) | 01h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $25.56 | $51.11 |
| Mid-grade | $6.07 | $26.87 | $53.74 |
| Premium | $6.24 | $27.66 | $55.31 |
| Diesel | $7.57 | $33.52 | $67.04 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in California · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.