Origin
Pacifica, CA
Evening in Pacifica on Tuesday
Local time
5:40 PM
PDT
Current temp
47°F
Unavailable
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Drive Time
8h 2m
Distance
423.3 mi
681 km
Drive Score
7/10
Good drive
Same Day?
2-day trip
Fuel Cost
$97
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Pacifica, CA
Wikimedia Commons
Irvine, CA
Wikimedia Commons
This 423.3-mile drive from Pacifica, CA, to Irvine, CA, is estimated to take about 8 hours and 2 minutes of pure driving time. Given the duration and the predominantly highway-focused profile, it's best tackled over two days. You'll be spending about 88% of your time on highways, primarily utilizing the Westside Freeway, I 5 Truck, and Pacheco Pass Highway. The estimated fuel cost for this journey is around $97. This route offers a straightforward transit through California, connecting two points along the Pacific Coast. You'll make about two planned stops along the way.
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
211.7 miles from Pacifica, CA
A natural place for your longest stop of the day , about 4h 4m into the drive .
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Expect a largely highway-focused drive, with 88% of the route taking place on major roadways. The longest uninterrupted stretch you'll encounter is 181.1 miles on the Westside Freeway, so be prepared for extended periods of consistent driving. While primarily on fast-paced highways, the inclusion of Pacheco Pass Highway suggests potential for some varied terrain. The character of the drive is one of efficient travel, designed to cover distance swiftly rather than for leisurely sightseeing.
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 early in the drive near CA 1 / Cabrillo Highway.
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 30 significant decision points across 423.3 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: near the start (CA 1 / Cabrillo Highway): Sharp turn - reduce speed on approach. Lane positioning matters here; at 0.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 35.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn sharp right onto CA 1 / Cabrillo Highway
Sharp turn - reduce speed on approach. Lane positioning matters here
Take the exit toward Sharp Park Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Take the exit toward CA 85 South: Gilroy
Exit ramp - move to the correct lane early. Lane positioning matters here
Keep slight right at fork onto I 5 Truck toward I 405 South
Highway fork - watch signs carefully. Lane positioning matters here
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
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Pacifica, CA to Irvine, CA, road signs begin pointing toward Santa Ana along the way.
Santa Ana
| Road | Distance | Duration |
|---|---|---|
| Westside Freeway | 181.1 mi | 3h 14m |
| I 5 Truck | 83.3 mi | 1h 36m |
| Pacheco Pass Highway | 40.6 mi | 50m |
| Junipero Serra Freeway | 29.1 mi | 33m |
| Santa Ana Freeway | 28.6 mi | 33m |
| US 101 | 20.3 mi | 23m |
| West Valley Freeway | 18.1 mi | 20m |
| Golden State Freeway | 5.3 mi | 6m |
Step-by-step road directions between Pacifica, CA and Irvine, CA.
Start on Reina del Mar Avenue
Turn sharp right onto CA 1
Take the exit
Turn left onto Lundy Way
Turn right onto Sharp Park Road
Turn right onto CA 35
Take the ramp onto CA 35
Merge onto I 280; CA 35
Take the exit
Merge onto CA 85
Continue on CA 85
Continue on US 101
Take the exit onto CA 152
Turn left onto CA 152
Continue on CA 152
Take the exit
Merge onto I 5
Keep slight right at fork onto I 5 Truck
Keep slight left at fork onto I 5
Keep slight right at fork onto I 5 Truck
Keep slight left at fork onto I 5 Truck
Keep slight left at fork onto I 5
Merge onto I 5
Keep slight right at fork onto I 5
Take the exit
Keep slight left at fork
Keep slight left at fork
Merge onto I 5
Keep slight right at fork onto I 5
Keep slight right at fork onto I 5
Take the exit
Merge onto CA 55
Take the exit
Keep slight left at fork
Merge onto I 405
Arrive at destination
For this 8-hour drive, splitting it into two days is highly recommended to avoid fatigue. Aim to start early to maximize daylight hours, especially if you're traveling during seasons with shorter days. Plan for at least two stops to stretch your legs and refuel, as the longest driving stretch is over 180 miles. Keep an eye on your fuel gauge, especially on the I 5 Truck portion, as services can sometimes be more spaced out. With a fuel cost of around $97, budgeting for gas is straightforward.
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.
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 93 miles or 1h 53m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 211.7 miles or 4h 4m 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 211.7 miles or 4h 4m
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 6h 52m
Traffic, exits, and arrival timing usually matter more near Irvine, CA than in the middle of the route.
Open the route before leaving Pacifica, 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 Pacifica, CA
Aim for roughly 212 miles and 4 hours of wheel time on this day.
Day 2
Finish the approach into Irvine, CA
Aim for roughly 212 miles and 4 hours of wheel time on this day.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 211.7 mi from Pacifica, CA · 4h 4m into the drive
Mid-route town
Overnight candidate
212 mi into the route
Best for: Hotel check-in, dinner, and a fresh start
This lines up well with a realistic day-end stop if you are breaking the drive into stages.
Find hotels in Modesto, CANight 1
212 mi · about 4h in
A practical overnight split lands near Modesto, CA after about 212 miles or 4 hours of driving.
Find hotelsA short stop after about 93 miles helps settle the day before fatigue starts building.
The midpoint is around 211.7 miles from Pacifica, CA, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Westside Freeway if your tank is already low. That segment runs about 181.1 miles.
Overnight split
Hotel stopFor a steadier pace, wrap day one after about 212 miles or 4 hours on the road.
The final approach into Irvine, CA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Irvine, CA.
On a multi-day trip, keep the last day a little lighter so you reach Irvine, CA with some flexibility left in the schedule.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$97.29 one way
$194.58 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $100.26 | $200.52 |
| premium | $6.18 | $102.94 | $205.88 |
| diesel | $5.61 | $93.46 | $186.92 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$97
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$227–$337
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 148.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $44 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 127 | 1 | $44.45 | $20.32 |
| Efficient EV | 105.8 | 1 | $37.04 | $16.93 |
| EV Truck/SUV | 169.3 | 2 | $59.26 | $27.09 |
Gas CO2
148 kg
EV CO2
50 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.
Current conditions at both ends of the drive.
Origin
Evening in Pacifica on Tuesday
Local time
5:40 PM
PDT
Current temp
47°F
Unavailable
Destination
Evening in Irvine on Tuesday
Local time
5:40 PM
PDT
Current temp
74°F
Unavailable
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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
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