How far is San Diego Country Estates, CA from Fontana, CA?
The driving distance from San Diego Country Estates, CA to Fontana, CA is about 102.7 miles (165.2 km), with a travel time of about 02h 12m by car.
- The straight-line flight distance is about 83.9 miles (135 km).
- For a round trip, plan for roughly 04h 24m 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 12m.
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.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Diego Country Estates and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego Country Estates and Fontana.
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1
Start on Sass Way
57 m · 10 sec · Sass Way
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2
Turn right onto Ramona Oaks Road
1.2 mi · 3 min · Ramona Oaks Road
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3
Turn right onto San Vicente Road
6.4 mi · 11 min · San Vicente Road
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4
Continue on 10th Street
2044 ft · 46 sec · 10th Street
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5
Continue on Pine Street
1.7 mi · 3 min · Pine Street
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6
Continue on West Haverford Road
1.3 km · 1 min · West Haverford Road
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7
Continue on San Pasqual Valley Road
13.8 mi · 21 min · San Pasqual Valley Road
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8
Continue on North Ash Street
1.4 mi · 3 min · North Ash Street
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9
Turn left onto East El Norte Parkway
1.5 km · 1 min · East El Norte Parkway
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10
Turn right onto North Centre City Parkway
1.6 mi · 2 min · North Centre City Parkway
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11
Take the exit straight toward I 15 North: Riverside, San Bernardino
2318 ft · 30 sec
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12
Merge slight left onto Escondido Freeway
637 ft · 8 sec · Escondido Freeway
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13
Continue on Avocado Highway
21.9 mi · 23 min · Avocado Highway
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14
Continue on Escondido Freeway
6.3 mi · 7 min · Escondido Freeway
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15
Take the exit slight right toward I 215
1510 ft · 18 sec
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16
Continue on Escondido Freeway
34.3 mi · 40 min · Escondido Freeway
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17
Take the exit slight left
5 mi · 6 min
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18
Take the exit slight right toward Valley Way
1006 ft · 31 sec
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19
Turn right onto Valley Way
1948 ft · 35 sec · Valley Way
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20
Continue on Armstrong Road
2679 ft · 55 sec · Armstrong Road
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21
Turn left onto Sierra Avenue
5.1 mi · 8 min · Sierra Avenue
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22
Turn right onto Merrill Avenue
63 m · 4 sec · Merrill Avenue
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23
Arrive at your destination
0 m · 1 sec · Merrill Avenue
Car Route Details
A richer read on the saved driving route between San Diego Country Estates and Fontana.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Escondido Freeway
Continue on Escondido Freeway
34.3 mi · 00h 40m
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 San Diego Country Estates and Mostly Sunny near Fontana.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego Country Estates to Fontana?
The road trip is about 102.7 miles (165.2 km) and usually takes 02h 12m 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 51.4 miles from San Diego Country Estates and 51.3 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 83.9 miles (135 km), while the road route adds roughly 18.8 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 2:06 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.88 one way or $41.77 round trip. Estimated CO2 is about 32.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Diego Country Estates and Mostly Sunny near Fontana.
Stop Ideas Near Temecula
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
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 Country Estates and Fontana. Straight-line distance: 83.86 mi (134.96 km).
#1 San Diego Country Estates
Census-designated place in San Diego County, California
| Population | 10,109 |
| Coordinates | 33.0067100, -116.7836400 |
| Altitude | 460 |
| Country | United States |
#2 Fontana
The second most populous city in San Bernardino County, California.
| Population | 216,173 |
| Coordinates | 34.0922300, -117.4350500 |
| Altitude | 377 |
| Country | United States |
End: Fontana (-117.43505, 34.09223)
Estimated Travel Time
Distance: 165 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 25m |
| 40 mph (64.37 km/h) | 02h 33m |
| 50 mph (80.47 km/h) | 02h 03m |
| 60 mph (96.56 km/h) | 01h 42m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $20.88 | $41.77 |
| Mid-grade | $6.07 | $21.96 | $43.92 |
| Premium | $6.24 | $22.60 | $45.20 |
| Diesel | $7.57 | $27.39 | $54.79 |
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.