Thermalito to Anaheim is 477.6 miles and takes about 8h 56m via Westside Freeway, I 5 Truck, and CA 70, with a fuel budget near $108 and enough daylight to finish in a day if you start early. This trip stays within California's Pacific Coast region, offering a predominantly highway experience. Given the nearly 9-hour drive time, it's best split over two days to avoid fatigue. Plan for approximately two stops along the way. This route is a practical choice for covering significant distance efficiently.
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
238.8 miles from Thermalito, CA
A natural place for your longest stop of the day
, about 4h 27m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
303.7 mi
5h 28m
I 5 Truck
83.3 mi
1h 36m
CA 70
44.4 mi
52m
Santa Ana Freeway
20.7 mi
24m
Golden State Highway
7.7 mi
8m
Golden State Freeway
5.3 mi
6m
Bernie Richter Memorial Highway
4.9 mi
5m
E Street
4.2 mi
5m
Longest stretch:
Westside Freeway
— 303.7 mi, about 5h 28m
Traffic on I-5
Hour-of-day weekday pattern from 302 FHWA count stations on your route.
Peak
3 PM
~4,192 veh/hr typical
· worst 5,362
Quietest
2 AM
~630 veh/hr
Peak-to-quiet ratio
6.7×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 44 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Thermalito, CA and Anaheim, CA.
1
Start on 10th Street
0.2 mi·41 sec·10th Street
2
Turn right onto Grand Avenue
0.8 mi·1 min·Grand Avenue
3
Take the ramp
0.2 mi·13 sec
4
Merge onto CA 70
14 mi·16 min·CA 70
Use the straight lane.
5
Continue on CA 70
11 mi·12 min·CA 70
6
Continue on CA 70
1.5 mi·3 min·CA 70
Use the straight lane.
7
Turn right onto 5th Street
0.2 mi·31 sec·5th Street
8
Turn left onto CA 70
4.2 mi·5 min·E Street
9
Keep slight right at fork onto CA 70
18 mi·20 min·CA 70
Use the straight / slight right lanes.
10
Merge onto CA 99
4.9 mi·5 min·Bernie Richter Memorial Highway
11
Continue on CA 99
7.7 mi·8 min·Golden State Highway
Use the straight / slight right lanes.
12
Merge onto I 5
66 mi·1 hr 13 min·Westside Freeway
Use the straight / slight right lanes.
13
Keep slight left at fork onto I 5
0.8 mi·48 sec·Westside Freeway
14
Keep slight left at fork onto I 5
237 mi·4 hr 13 min·Westside Freeway
Use the straight / slight right lanes.
15
Keep slight right at fork onto I 5 Truck
58 mi·1 hr 6 min·I 5 Truck
Use the straight / slight right lanes.
16
Keep slight left at fork onto I 5
4.1 mi·4 min·Golden State Freeway
Use the straight / slight right lanes.
17
Keep slight right at fork onto I 5 Truck
0.3 mi·17 sec·I 5 Truck
Exit 158Toward I 405 SouthUse the straight / slight right lanes.
18
Keep slight left at fork onto I 5 Truck
25 mi·29 min·I 5 Truck
Use the straight / slight right lanes.
19
Keep slight left at fork onto I 5
1.3 mi·1 min·Golden State Freeway
Toward CA 60 East, I 5 South: Pomona, Soto Street, Santa AnaUse the slight left / straight lanes.
20
Merge onto I 5
21 mi·24 min·Santa Ana Freeway
Use the straight / slight right lanes.
21
Take the exit
0.5 mi·33 sec
Exit 111Toward Lincoln AvenueUse the straight / slight right lanes.
22
Turn left onto West Lincoln Avenue
1.3 mi·3 min·West Lincoln Avenue
Use the left lane.
23
Turn right onto South Anaheim Boulevard
370 ft·14 sec·South Anaheim Boulevard
24
Turn right
200 ft·14 sec
25
Arrive at destination
Trip Plan
Considering the 8-hour 56-minute drive, splitting this trip over two days is highly recommended. Aim to depart early on your first day to cover about half the distance, allowing for a relaxed evening. Your longest stretch on the highway is over 300 miles, so plan your fuel stops accordingly before you get too low, especially since you'll be on the Westside Freeway for a significant duration. With two planned stops, you can break up the drive into manageable segments, perhaps one for lunch and another for a brief rest. Keep an eye on your fuel gauge as you approach the end of the 303.7-mile highway segment.
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 238.8 miles from Thermalito, CA, or about 4h 27m into the drive.
The longest continuous stretch on this route runs about 303.7 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 105 miles or 2h 3m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 238.8 miles or 4h 27m 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 238.8 miles or 4h 27m
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 7h 43m
Traffic, exits, and arrival timing usually matter more near Anaheim, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Thermalito, 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 Thermalito, CA
Aim for roughly 239 miles and 4.5 hours of wheel time on this day.
Day 2
Finish the approach into Anaheim, CA
Aim for roughly 239 miles and 4.5 hours of wheel time on this day.
Your first comfortable stop window is around 105 miles from Thermalito, 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 303.7 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 19
5 decision points cluster between mile 32.5 and 475.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
32.5 mi into trip|~41m in|CA 70
Keep slight right at fork onto CA 70
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
6
129.8 mi into trip|~2h 30m in|I 5 / Westside Freeway
Keep slight left at fork onto I 5 / Westside Freeway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
8
428.8 mi into trip|~7h 55m in|I 5 Truck
Keep slight right at fork onto I 5 Truck toward I 405 South
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 158
Toward I 405 South
8
453.8 mi into trip|~8h 25m in|I 5 / Golden State Freeway
Keep slight left at fork onto I 5 / Golden State Freeway toward CA 60 East, I 5 South: Pomona, Soto Street, Santa Ana
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Toward CA 60 East, I 5 South: Pomona, Soto Stre...
7
475.7 mi into trip|~8h 51m in
Take the exit toward Lincoln Avenue
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 111
Toward Lincoln Avenue
Fuel & Cost
Regular Gas
$99.92 one way
$199.84 round trip
$5.31/gal25.4 MPG avg167 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.52
$103.77
$207.55
premium
$5.67
$106.52
$213.04
diesel
$4.80
$90.18
$180.36
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$100
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$230–$340
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 167.1 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $50 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
143.3
1
$50.15
$22.92
Efficient EV
119.4
1
$41.79
$19.10
EV Truck/SUV
191
2
$66.86
$30.57
Gas CO2
167 kg
EV CO2
56 kg (66% 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 Jul 16, 2026
Origin
Thermalito, CA
Night
in Thermalito on Saturday
Local time
11:59 PM
PDT
Current temp
98°F
Sunny
S 7 mph0% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 16 at 4:05PM PDT by NWS San Diego CA
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Destination
Anaheim, CA
Night
in Anaheim on Saturday
Local time
11:59 PM
PDT
Current temp
88°F
Sunny
SW 10 mph3% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 16 at 4:05PM PDT by NWS San Diego CA
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
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
10 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
8h 56m 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.
Santa Monica Mountains National Recreation Area
National Recreation Area
The Santa Monica Mountains offer easy access to surprisingly wild places. Experience the famous beaches of Malibu or explore more than 500 miles of trails. The park abounds with historical and cultura...
22 mi from route
~55 min detour
Free
near mile 428.2
Yes, we can! Widely recognized as the most important Latino leader in the United States during the twentieth century, Cesar Chavez led farm workers and supporters in the establishment of the country's...
27 mi from route
~69 min detour
Free
near mile 362.3
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive is 96% highway, meaning you'll spend most of your time on high-speed roads. The longest continuous stretch is 303.7 miles on the Westside Freeway. Expect a substantial amount of time on the interstate, transitioning to surface roads only for the final portion of your trip. The sheer length of the highway segments suggests periods of consistent cruising punctuated by exits.
96% highway — fuel and pacing are the main things to plan.
25 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 303.7 mi on Westside Freeway.
How Hard Is This Drive?
9/10
This is a straightforward highway drive that stays mostly on Westside Freeway and I 5 Truck. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 32.5 miles in near CA 70.
Driving Effort9/10
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 19 significant decision points across 477.6 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 32.5 miles (CA 70): Highway fork - watch signs carefully. Lane positioning matters here; at 129.8 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 428.8 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here.
Anaheim is a city in Orange County, California. It is best known for being the home of Disneyland. Its second claim to fame is hosting the National Hockey League's Anaheim Ducks and Major League Baseball's Los Angeles Angels.
Top landmarks
•Disneyland — American theme park in California owned by The Walt Disney Company
•Disney California Adventure — theme park in California, part of Disneyland Resort
•Soarin' — flight motion simulator attraction at Disney parks
The longest stretch is about 303.7 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 239 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 Anaheim, 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 32.5 miles (CA 70): Highway fork - watch signs carefully. Lane positioning matters here; at 129.8 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 428.8 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Santa Monica Mountains National Recreation Area and César E. Chávez National Monument. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 8.9 hours each way, a round trip means 17.9 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Anaheim, CA before the return drive.
