How far is Riverside, CA from Portola Hills, CA?
The driving distance from Riverside, CA to Portola Hills, CA is about 40.9 miles (65.9 km), with a travel time of about 00h 50m by car.
- The straight-line flight distance is about 23.2 miles (37.4 km).
- For a round trip, plan for roughly 01h 40m 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 00h 50m.
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.
Comarque of the Valencian Community
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Riverside and Portola Hills.
Turn-by-Turn Driving Directions
Step-by-step road directions between Riverside and Portola Hills.
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1
Start on the route
27 m · 8 sec
-
2
Turn slight right onto Central Avenue
1 km · 1 min · Central Avenue
-
3
Take the ramp slight right toward CA 91 West: Beach Cities
1486 ft · 38 sec
-
4
Merge slight left onto Riverside Freeway
10.7 mi · 12 min · Riverside Freeway
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5
Take the exit slight right toward Main Street
1526 ft · 20 sec
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6
Continue straight
9.1 mi · 11 min
-
7
Take the exit slight right toward CA 241 South: Irvine
1.2 mi · 1 min
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8
Continue on Eastern Transportation Corridor
5.7 mi · 7 min · Eastern Transportation Corridor
-
9
Keep slight left to continue on Foothill Transportation Corridor
10.8 mi · 12 min · Foothill Transportation Corridor
-
10
Take the exit slight right toward Portola Parkway
1195 ft · 29 sec
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11
Keep slight left to continue on Portola Parkway East
119 m · 13 sec
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12
Turn left onto Portola Parkway
1362 ft · 27 sec · Portola Parkway
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13
Turn right onto Glenn Ranch Road
1.5 km · 1 min · Glenn Ranch Road
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14
Turn left onto Saddleback Ranch Road
2975 ft · 1 min · Saddleback Ranch Road
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15
Turn right
70 m · 18 sec
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16
At the end of the road, turn left
41 m · 10 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Riverside and Portola Hills.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Foothill Transportation Corridor
Keep slight left to continue on Foothill Transportation Corridor
10.8 mi · 00h 12m
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.
Sunny leaving Riverside and Sunny near Portola Hills.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Riverside to Portola Hills?
The road trip is about 40.9 miles (65.9 km) and usually takes 00h 50m 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?
Los Serranos is a useful midpoint, sitting about 20.4 miles from Riverside and 20.4 miles from Portola Hills.
How much longer is the road route than the straight-line distance?
The direct path is about 23.2 miles (37.4 km), while the road route adds roughly 17.7 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 4:50 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.37 one way or $16.73 round trip. Estimated CO2 is about 12.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Riverside and Sunny near Portola Hills.
Stop Ideas Near Los Serranos
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Disney's Grand Californian Hotel & Spa
City of Tustin Parks & Recreation
bamboo house
Disneyland Hotel
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Los Serranos.
Pomona station
Ontario
Claremont, California
Fullerton Transportation Center
Flight Path Map
This map shows the direct air route between Riverside and Portola Hills. Straight-line distance: 23.26 mi (37.43 km).
#1 Riverside
The most populous city in Riverside County, California and the center of the Riverside metropolitan area.
| Population | 330,786 |
| Coordinates | 33.9533500, -117.3961600 |
| Altitude | 252 |
| Country | United States |
#2 Portola Hills
City in Lake Forest, California, United States of America
| Population | 9,083 |
| Coordinates | 33.6791900, -117.6311600 |
| Altitude | 381 |
| Country | United States |
End: Portola Hills (-117.63116, 33.67919)
Estimated Travel Time
Distance: 66 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 21m |
| 40 mph (64.37 km/h) | 01h 01m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 35m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $8.37 | $16.73 |
| Mid-grade | $6.07 | $8.80 | $17.59 |
| Premium | $6.24 | $9.05 | $18.10 |
| Diesel | $7.57 | $10.97 | $21.94 |
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 · Jun 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.