How far is San Diego, CA from Montclair, CA?
The driving distance from San Diego, CA to Montclair, CA is about 115.4 miles (185.7 km), with a travel time of about 02h 16m by car.
- The straight-line flight distance is about 98.9 miles (159.1 km).
- For a round trip, plan for roughly 04h 33m 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 02h 16m.
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 southwestern Riverside County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Diego and Montclair.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Montclair.
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1
Start on Front Street
8 m · 6 sec · Front Street
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2
Turn left onto West Broadway
3088 ft · 1 min · West Broadway
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3
Turn left onto 11th Avenue
1146 ft · 25 sec · 11th Avenue
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4
Continue on Cabrillo Parkway
2.4 mi · 3 min · Cabrillo Parkway
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5
Continue on Cabrillo Freeway
8.3 mi · 10 min · Cabrillo Freeway
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6
Keep slight left
2688 ft · 35 sec
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7
Continue on Semper Fi Highway
1.8 mi · 2 min · Semper Fi Highway
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8
Continue on Escondido Freeway
3.1 mi · 4 min · Escondido Freeway
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9
Continue on Tony Gwynn Memorial Freeway
4.6 mi · 5 min · Tony Gwynn Memorial Freeway
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10
Continue on Escondido Freeway
5.9 mi · 7 min · Escondido Freeway
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11
Keep slight left to continue on Escondido Freeway
6.9 mi · 8 min · Escondido Freeway
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12
Continue on Avocado Highway
21.9 mi · 23 min · Avocado Highway
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13
Continue on Escondido Freeway
6.3 mi · 7 min · Escondido Freeway
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14
Continue on Temecula Valley Freeway
18.7 mi · 20 min · Temecula Valley Freeway
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15
Continue on Corona Freeway
9.6 mi · 10 min · Corona Freeway
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16
Keep slight right to continue on Corona Freeway
4.4 mi · 5 min · Corona Freeway
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17
Take the exit slight right toward CA 91: Beach Cities, Riverside
953 ft · 23 sec · Corona Freeway
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18
Keep slight left to continue on Corona Freeway
1.3 km · 2 min · Corona Freeway
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19
Merge slight left
4.8 mi · 5 min
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20
Take the exit slight right toward CA 71 North: Ontario, Pomona
2014 ft · 31 sec
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21
Continue on Corona Freeway
2.9 mi · 4 min · Corona Freeway
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22
Continue on Chino Valley Freeway
3.4 mi · 4 min · Chino Valley Freeway
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23
Take the exit slight right toward Soquel Canyon Parkway, Central Avenue
1661 ft · 44 sec
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24
Turn right onto Soquel Canyon Parkway
1037 ft · 22 sec · Soquel Canyon Parkway
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25
Continue on Central Avenue
7.3 mi · 13 min · Central Avenue
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26
Continue on Central Avenue
35 m · 9 sec · Central Avenue
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27
Turn right
13 m · 3 sec
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28
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between San Diego and Montclair.
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 23m
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.
Cloudy leaving San Diego and Patchy Fog then Mostly Sunny near Montclair.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego to Montclair?
The road trip is about 115.4 miles (185.7 km) and usually takes 02h 16m 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?
Temecula is a useful midpoint, sitting about 57.8 miles from San Diego and 57.6 miles from Montclair.
How much longer is the road route than the straight-line distance?
The direct path is about 98.9 miles (159.1 km), while the road route adds roughly 16.5 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 1:56 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.48 one way or $46.96 round trip. Estimated CO2 is about 36.2 kg one way.
What should you check before leaving?
Before you leave, expect Cloudy around San Diego and Patchy Fog then Mostly Sunny near Montclair.
Stop Ideas Near Temecula
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Rodeway Inn & Suites Canyon Lake I-15
City of Wildomar
Superior Court of California, County of Riverside - Southwest Justice Center
City Of Temecula
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Temecula.
Sun City, California
Hemet (West Florida Ave), California
Hemet (Devonshire Ave), California
Perris, California
Flight Path Map
This map shows the direct air route between San Diego and Montclair. Straight-line distance: 98.85 mi (159.08 km).
#1 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 |
#2 Montclair
A city in Los Angeles County, California.
| Population | 40,600 |
| Coordinates | 34.0775100, -117.6897800 |
| Altitude | 325 |
| Country | United States |
End: Montclair (-117.68978, 34.07751)
Estimated Travel Time
Distance: 186 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 50m |
| 40 mph (64.37 km/h) | 02h 53m |
| 50 mph (80.47 km/h) | 02h 18m |
| 60 mph (96.56 km/h) | 01h 55m |
| 70 mph (112.65 km/h) | 01h 38m |
| 80 mph (129 km/h) | 01h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $23.48 | $46.96 |
| Mid-grade | $6.07 | $24.69 | $49.38 |
| Premium | $6.24 | $25.41 | $50.82 |
| Diesel | $7.57 | $30.80 | $61.60 |
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 · May 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.