Spanning 539.1 miles from Ukiah to Riverside, this journey across California takes roughly 10 hours and 15 minutes of pure drive time. Because of the significant distance, attempting this in a single day is exhausting, so I highly recommend splitting it into two days to keep your energy up. You will navigate a mix of the Redwood Highway and the Westside Freeway, eventually merging onto the I-5 Truck route. With an estimated fuel budget of $125, you should plan your stops carefully to account for the long stretches between major hubs. While both cities sit within the Pacific Coast region, the transition from Northern to Southern California covers a massive amount of ground, making this a true long-distance commitment.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
269.6 miles from Ukiah, CA
A natural place for your longest stop of the day
, about 5h 7m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
224.4 mi
4h
Redwood Highway
97.2 mi
1h 55m
I 5 Truck
58.4 mi
1h 6m
Foothill Freeway
44 mi
50m
Arthur H. Breed Junior Freeway
29.3 mi
33m
William Elton Brown Freeway
17 mi
18m
MacArthur Freeway
16.4 mi
18m
John T. Knox Freeway
13.6 mi
17m
Longest stretch:
Westside Freeway
— 224.4 mi, about 4h
Turn-by-Turn Driving Directions
Step-by-step road directions between Ukiah, CA and Riverside, CA.
1
Start on US 101 Business
57 ft·8 sec·North State Street
2
Turn left onto East Perkins Street
0.5 mi·1 min·East Perkins Street
3
Take the ramp
0.2 mi·21 sec
4
Merge onto US 101
97 mi·1 hr 55 min·Redwood Highway
Use the straight / slight right lanes.
5
Keep slight right at fork onto I 580
14 mi·17 min·John T. Knox Freeway
Exit 451BToward I 580: Richmond Bridge, OaklandUse the straight / slight right lanes.
6
Merge onto I 80; I 580
3.8 mi·4 min·Eastshore Freeway
Use the straight / slight right lanes.
7
Keep slight left at fork onto I 580
0.3 mi·21 sec·Interstate Highway 80
Toward I 580 East, I 880 South: Downtown Oakland, Hayward, Stockton, Alameda, San JoseUse the straight / slight right lanes.
8
Keep slight left at fork onto I 580
16 mi·18 min·MacArthur Freeway
Toward I 580: Downtown Oakland, Hayward, StocktonUse the slight left / slight right lanes.
9
Merge onto I 580
12 mi·13 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 580
18 mi·20 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
11
Keep slight right at fork onto I 580
11 mi·11 min·William Elton Brown Freeway
12
Keep slight left at fork onto I 580
5.9 mi·6 min·William Elton Brown Freeway
13
Merge onto I 5
224 mi·4 hr·Westside Freeway
Use the straight / slight right lanes.
14
Keep slight right at fork onto I 5 Truck
58 mi·1 hr 6 min·I 5 Truck
Use the straight / slight right lanes.
15
Keep slight left at fork onto I 5
2.0 mi·2 min·Golden State Freeway
Use the straight / slight right lanes.
16
Take the exit
0.3 mi·17 sec
Exit 161AToward I 210 East: PasadenaUse the slight right lane.
17
Continue on I 210
24 mi·28 min·Foothill Freeway
Use the straight / slight right lanes.
18
Keep slight right at fork onto I 210
19 mi·22 min·Foothill Freeway
Toward CA 134 West, I 210 East: San Bernardino, VenturaUse the slight right lane.
19
Keep slight right at fork onto I 210
0.5 mi·32 sec·Foothill Freeway
20
Take the exit
0.9 mi·1 min
Exit 44AToward CA 57 South: Santa AnaUse the slight right lane.
21
Continue on CA 57
3.2 mi·3 min·Orange Freeway
Use the straight / slight right lanes.
22
Take the exit
1.1 mi·2 min
Exit 22CToward CA 71: CoronaUse the slight right lane.
23
Continue on CA 71
3.1 mi·3 min·Chino Valley Freeway
Use the straight / slight right lanes.
24
Take the exit
1.4 mi·2 min
Toward CA 60 East: RiversideUse the slight right lane.
25
Merge onto CA 60
12 mi·13 min·Pomona Freeway
Use the straight / slight right lanes.
26
Take the exit
0.5 mi·1 min
Exit 42Toward Van Buren Boulevard, Etiwanda AvenueUse the straight / slight right lanes.
27
Turn straight onto Mission Boulevard
0.2 mi·15 sec·Mission Boulevard
28
Continue on Van Buren Boulevard
6.1 mi·8 min·Van Buren Boulevard
Use the straight lane.
29
Turn left onto Central Avenue
3.6 mi·6 min·Central Avenue
Use the left lane.
30
Turn sharp right
171 ft·12 sec
31
Arrive at destination
Trip Plan
To tackle this 539.1-mile trek effectively, break the journey into two days to avoid the fatigue of a 10-hour-plus stint behind the wheel. Given the reliance on the I-5 Truck route and Westside Freeway, try to depart early in the morning to steer clear of peak congestion in the larger metropolitan areas. Plan for at least two intentional stops to stretch your legs and refuel, keeping that $125 gas budget in mind as you map out your service stations. Because the longest stretch spans over 224 miles, check your tire pressure and fluid levels before leaving Ukiah to ensure your vehicle is ready for the sustained highway speeds. Staying flexible with your pace will make the long transition down the coast much more manageable.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 269.6 miles from Ukiah, CA, or about 5h 7m into the drive.
The longest continuous stretch on this route runs about 224.4 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 119 miles or 2h 23m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 269.6 miles or 5h 7m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 269.6 miles or 5h 7m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 8h 58m
Traffic, exits, and arrival timing usually matter more near Riverside, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Ukiah, CA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Ukiah, CA
Aim for roughly 270 miles and 5.1 hours of wheel time on this day.
Day 2
Finish the approach into Riverside, CA
Aim for roughly 270 miles and 5.1 hours of wheel time on this day.
Your first comfortable stop window is around 119 miles from Ukiah, CA.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on Westside Freeway for about 224.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 24
5 decision points cluster between mile 97.9 and 528.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
9
97.9 mi into trip|~1h 56m in|I 580 / John T. Knox Freeway
Keep slight right at fork onto I 580 / John T. Knox Freeway toward I 580: Richmond Bridge, Oakland
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 451B
Toward I 580: Richmond Bridge, Oakland
8
115.2 mi into trip|~2h 18m in|I 580 / Interstate Highway 80
Keep slight left at fork onto I 580 / Interstate Highway 80 toward I 580 East, I 880 South: Downtown Oakland, Hayward, Stockton, Alameda, San Jose
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 580 East, I 880 South: Downtown Oaklan...
8
115.5 mi into trip|~2h 18m in|I 580 / MacArthur Freeway
Keep slight left at fork onto I 580 / MacArthur Freeway toward I 580: Downtown Oakland, Hayward, Stockton
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Toward I 580: Downtown Oakland, Hayward, Stockt...
8
487.6 mi into trip|~9h 8m in|I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward CA 134 West, I 210 East: San Bernardino, Ventura
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward CA 134 West, I 210 East: San Bernardino,...
8
528.8 mi into trip|~9h 59m in
Take the exit toward Van Buren Boulevard, Etiwanda Avenue
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 42
Toward Van Buren Boulevard, Etiwanda Avenue
Fuel & Cost
Regular Gas
$123.91 one way
$247.82 round trip
$5.84/gal25.4 MPG avg189 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$127.69
$255.37
premium
$6.18
$131.10
$262.21
diesel
$5.61
$119.03
$238.05
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$124
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$254–$364
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 188.6 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $57 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
161.7
1
$56.61
$25.88
Efficient EV
134.8
1
$47.17
$21.56
EV Truck/SUV
215.6
2
$75.47
$34.50
Gas CO2
189 kg
EV CO2
63 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 20, 2026
Origin
Ukiah, CA
Late night
in Ukiah on Tuesday
Local time
2:46 AM
PDT
Current temp
62°F
Unavailable
Live forecast
Destination
Riverside, CA
Late night
in Riverside on Tuesday
Local time
2:46 AM
PDT
Current temp
70°F
Unavailable
Live forecast
68°F
Richmond, CA
178 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
8 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
10h 15m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Rosie the Riveter WWII Home Front National Historical Park
National Historical Park
Celebrate and honor the contributions and sacrifices of American civilians on the WWII home front. Discover how diverse communities lived, worked, and interacted. Many faces, many stories, many truths...
3 mi from route
~8 min detour
Free
near mile 111.5
Established in 1988, San Francisco Maritime National Historical Park celebrates America’s maritime heritage on the Pacific Coast. Our 50-acre park has grown around Aquatic Park Cove, a protected area...
8 mi from route
~20 min detour
Free
near mile 111.5
Walk among old growth coast redwoods, cooling their roots in the fresh water of Redwood Creek and lifting their crowns to reach the sun and fog. Federally protected as a National Monument since 1908,...
Experience a park so rich it supports 19 distinct ecosystems with over 2,000 plant and animal species. Go for a hike, enjoy a vista, have a picnic or learn about the centuries of overlapping history f...
12 mi from route
~30 min detour
Free
near mile 92.9
From its thunderous ocean breakers crashing against rocky headlands and expansive sand beaches to its open grasslands, brushy hillsides, and forested ridges, Point Reyes offers visitors over 1500 spec...
19 mi from route
~47 min detour
Free
near mile 92.9
On July 17, 1944, a massive explosion jolted the San Francisco East Bay area, shattering windows and lighting up the night sky. At Port Chicago Naval Magazine, 320 men were killed instantly when two s...
19 mi from route
~48 min detour
Free
near mile 111.5
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a trip defined by high-speed efficiency, as roughly 79% of your travel occurs on major highways. You will spend a significant portion of your time on the Westside Freeway, which features the route's longest uninterrupted stretch of 224.4 miles. This creates a monotonous, interstate-heavy experience that requires focus during the long, steady miles. As you transition between the Redwood Highway and the freeway system, the road feel shifts from localized navigation to a broad, high-capacity corridor. Be prepared for a functional, straightforward drive that prioritizes speed and distance over winding, scenic bypasses.
79% highway — fuel and pacing are the main things to plan.
31 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 224.4 mi on Westside Freeway.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on Westside Freeway and Redwood Highway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 97.9 miles in near I 580 / John T. Knox Freeway.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 24 significant decision points across 539.1 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 97.9 miles (I 580 / John T. Knox Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 115.2 miles (I 580 / Interstate Highway 80): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 115.5 miles (I 580 / MacArthur Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Hilly terrain with moderate elevation changes
3,094 ft15 ft
Total Climb
4,193 ft
Total Descent
3,998 ft
Highest Point
3,094 ft
~426.8 mi in
Elevation Range
3,079 ft
Notable High Points
3,094 ft at ~426.8 miles+1,984 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Ukiah, CA and Riverside, CA, road signs point toward Oakland, Hayward, Stockton, Alameda, San Jose and Ventura.
Ukiah is a city in the North Coast of California. Just as picturesque as its coastal brethren, Ukiah is in a valley surrounded by beautiful rolling hills or small mountains. It's a good base for exploring Mendocino County, and hosts a variety of small unusual shops and restaurants.
Riverside is a city in Riverside County in California. With a population of over 300,000, the city plays host to a diverse cross-section of people and has a rich history. Riverside is approximately 55 miles east of downtown Los Angeles. It is a center for higher education, with one community college, a large state university, and two private universities. A hub of regional commerce and transportation, it is a city with an intriguing past and a promising future, and is worth a visit.
Top landmarks
•Mission Inn — hotel in Riverside, California
•Universalist Unitarian Church of Riverside — church building in Riverside, California, USA
•First Congregational Church of Riverside — church building in Riverside, California, United States of America
The longest stretch is about 224.4 miles on Westside Freeway. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 270 miles on day one.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Riverside, CA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 97.9 miles (I 580 / John T. Knox Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 115.2 miles (I 580 / Interstate Highway 80): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 115.5 miles (I 580 / MacArthur Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Rosie the Riveter WWII Home Front National Historical Park, San Francisco Maritime National Historical Park and Muir Woods National Monument (6 total within detour distance). See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 10.3 hours each way, a round trip means 20.5 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Riverside, CA before the return drive.
