How far is Rialto, CA from San Diego, CA?
The driving distance from Rialto, CA to San Diego, CA is about 110.5 miles (177.8 km), with a travel time of about 01h 51m by car.
- The straight-line flight distance is about 96.8 miles (155.8 km).
- For a round trip, plan for roughly 03h 42m 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 51m.
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.
Census-designated place in San Diego County, California, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Rialto and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rialto and San Diego.
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1
Start on North Riverside Avenue
43 m · 32 sec · North Riverside Avenue
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2
Continue on North Riverside Avenue
6.1 mi · 10 min · North Riverside Avenue
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3
Continue on Main Street
1.6 mi · 3 min · Main Street
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4
Take the ramp left toward CA 60 East: Indio
1089 ft · 27 sec
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5
Merge slight left onto Pomona Freeway
1.6 km · 1 min · Pomona Freeway
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6
Continue on Escondido Freeway
3.9 mi · 5 min · Escondido Freeway
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7
Keep slight right to continue on I 215, CA 60 Truck
2512 ft · 33 sec
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8
Keep slight right
36.3 mi · 41 min
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9
Continue on Avocado Highway
21.9 mi · 24 min · Avocado Highway
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10
Continue on Escondido Freeway
3.4 mi · 4 min · Escondido Freeway
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11
Keep slight right to continue on Escondido Freeway
8.7 mi · 10 min · Escondido Freeway
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12
Continue on Tony Gwynn Memorial Freeway
4.5 mi · 5 min · Tony Gwynn Memorial Freeway
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13
Continue on Escondido Freeway
3.1 mi · 4 min · Escondido Freeway
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14
Continue on Semper Fi Highway
2.2 mi · 3 min · Semper Fi Highway
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15
Take the exit slight right toward CA 163 South
1.2 km · 52 sec
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16
Continue on Cabrillo Freeway
8.2 mi · 9 min · Cabrillo Freeway
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17
Continue on Cabrillo Parkway
1.5 mi · 2 min · Cabrillo Parkway
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18
Continue on Cabrillo Parkway
1.3 km · 1 min · Cabrillo Parkway
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19
Continue on 10th Avenue
1507 ft · 42 sec · 10th Avenue
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20
Turn right onto Broadway
2811 ft · 1 min · Broadway
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21
Turn left onto Front Street
8 m · 1 sec · Front Street
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22
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between Rialto 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.
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.
Partly Sunny leaving Rialto and Slight Chance Rain Showers near San Diego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rialto to San Diego?
The road trip is about 110.5 miles (177.8 km) and usually takes 01h 51m 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?
Rainbow is a useful midpoint, sitting about 52.9 miles from Rialto and 57.6 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 96.8 miles (155.8 km), while the road route adds roughly 13.7 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 2:48 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.50 one way or $45.00 round trip. Estimated CO2 is about 34.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Rialto and Slight Chance Rain Showers near San Diego.
Stop Ideas Near Rainbow
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 Rainbow.
Oceanside Transit Center
Sun City, California
Carlsbad Village station
Carlsbad Poinsettia, CA
Flight Path Map
This map shows the direct air route between Rialto and San Diego. Straight-line distance: 96.82 mi (155.81 km).
#1 Rialto
The most populous city in San Bernardino County, California.
| Population | 104,132 |
| Coordinates | 34.1064000, -117.3703200 |
| Altitude | 383 |
| 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: 178 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 40m |
| 40 mph (64.37 km/h) | 02h 45m |
| 50 mph (80.47 km/h) | 02h 12m |
| 60 mph (96.56 km/h) | 01h 50m |
| 70 mph (112.65 km/h) | 01h 34m |
| 80 mph (129 km/h) | 01h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $22.50 | $45.00 |
| Mid-grade | $6.07 | $23.66 | $47.31 |
| Premium | $6.24 | $24.35 | $48.70 |
| Diesel | $7.57 | $29.51 | $59.02 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.