How far is Fontana, CA from San Diego Country Estates, CA?
The driving distance from Fontana, CA to San Diego Country Estates, CA is about 103 miles (165.8 km), with a travel time of about 02h 13m by car.
- The straight-line flight distance is about 83.9 miles (135 km).
- For a round trip, plan for roughly 04h 26m 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 13m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
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 Fontana and San Diego Country Estates.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fontana and San Diego Country Estates.
-
1
Start on Merrill Avenue
63 m · 9 sec · Merrill Avenue
-
2
Turn left onto Sierra Avenue
5 mi · 8 min · Sierra Avenue
-
3
Turn right onto Armstrong Road
2758 ft · 55 sec · Armstrong Road
-
4
Continue on Valley Way
2527 ft · 45 sec · Valley Way
-
5
Turn sharp left onto Mission Boulevard
582 ft · 26 sec · Mission Boulevard
-
6
Continue on Mission Boulevard
563 ft · 26 sec · Mission Boulevard
-
7
Turn sharp right onto Valley Way
62 m · 4 sec · Valley Way
-
8
Take the ramp right toward CA 60 East: Riverside
1184 ft · 31 sec
-
9
Merge slight left onto Pomona Freeway
5.1 mi · 6 min · Pomona Freeway
-
10
Continue on Escondido Freeway
3.9 mi · 5 min · Escondido Freeway
-
11
Keep slight right to continue on I 215, CA 60 Truck
2512 ft · 33 sec
-
12
Keep slight right
36.3 mi · 41 min
-
13
Continue on Avocado Highway
21.9 mi · 24 min · Avocado Highway
-
14
Continue on Escondido Freeway
137 m · 6 sec · Escondido Freeway
-
15
Take the exit slight right toward Centre City Parkway
2.1 mi · 3 min
-
16
Turn left onto West El Norte Parkway
1.6 km · 2 min · West El Norte Parkway
-
17
Turn right onto North Ash Street
1.4 mi · 3 min · North Ash Street
-
18
Continue on San Pasqual Valley Road
13.8 mi · 21 min · San Pasqual Valley Road
-
19
Continue on West Haverford Road
1.3 km · 1 min · West Haverford Road
-
20
Continue on Pine Street
1.7 mi · 3 min · Pine Street
-
21
Continue on 10th Street
2044 ft · 44 sec · 10th Street
-
22
Continue on San Vicente Road
6.4 mi · 11 min · San Vicente Road
-
23
Turn left onto Ramona Oaks Road
1.2 mi · 3 min · Ramona Oaks Road
-
24
Turn left onto Sass Way
70 m · 10 sec · Sass Way
-
25
Arrive at your destination
0 m · 1 sec · Sass Way
Car Route Details
A richer read on the saved driving route between Fontana and San Diego Country Estates.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 215
Keep slight right
36.3 mi · 00h 41m
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 Fontana and Mostly Sunny near San Diego Country Estates.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fontana to San Diego Country Estates?
The road trip is about 103 miles (165.8 km) and usually takes 02h 13m 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 51.6 miles from Fontana and 51.4 miles from San Diego Country Estates.
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 19.1 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 2:04 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.00 one way or $42.00 round trip. Estimated CO2 is about 32.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Fontana and Mostly Sunny near San Diego Country Estates.
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 Fontana and San Diego Country Estates. Straight-line distance: 83.86 mi (134.96 km).
#1 Fontana
The second most populous city in San Bernardino County, California.
| Population | 216,173 |
| Coordinates | 34.0922300, -117.4350500 |
| Altitude | 377 |
| Country | United States |
#2 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 |
End: San Diego Country Estates (-116.78364, 33.00671)
Estimated Travel Time
Distance: 166 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 26m |
| 40 mph (64.37 km/h) | 02h 34m |
| 50 mph (80.47 km/h) | 02h 03m |
| 60 mph (96.56 km/h) | 01h 43m |
| 70 mph (112.65 km/h) | 01h 28m |
| 80 mph (129 km/h) | 01h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $21.00 | $42.00 |
| Mid-grade | $6.07 | $22.08 | $44.16 |
| Premium | $6.24 | $22.72 | $45.45 |
| Diesel | $7.57 | $27.54 | $55.09 |
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.