Origin
Irvine, CA
Late night in Irvine on Tuesday
Local time
3:17 AM
PDT
Current temp
54°F
Unavailable
Live forecast
Trip from Irvine, CA to Lompoc, CA
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
3h 50m
Distance
193.9 mi
312 km
Drive Score
10/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$45
one way
EV Charging
Unknown
Best Time to Leave
4 AM
3h 38m
★
6 AM
3h 51m
8 AM
4h 16m
10 AM
4h 0m
12 PM
3h 57m
3 PM
4h 1m
5 PM
4h 15m
8 PM
3h 43m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Irvine, CA
Wikimedia Commons
Lompoc, CA
Stephen Leonardi
Trip Overview
Irvine to Lompoc is 193.9 miles and takes about 3h 50m via Ventura Freeway, with a fuel budget near $45 and enough daylight to finish in a day. This drive takes you from the Pacific Coast region of Southern California up to the Central Coast, primarily along coastal highways. With 65% of the route on highways, it's a fairly direct trip for a single day. You'll want to plan for a straightforward drive where most of the mileage is on the freeway before transitioning to surface streets.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
97 miles from Irvine, CA
A natural place for your longest stop of the day , about 1h 53m into the drive .
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Ventura Freeway | 46.9 mi | 54m |
| El Camino Real | 46.9 mi | 54m |
| I 405 | 42.5 mi | 49m |
| US 101 | 18.5 mi | 21m |
| San Diego Freeway | 17.6 mi | 20m |
| San Julian Road | 16.3 mi | 22m |
| Cabrillo Highway | 1.5 mi | 2m |
| East Ocean Avenue | 1.3 mi | 1m |
Longest stretch:
Ventura Freeway
— 46.9 mi, about 54m
Turn-by-Turn Driving Directions
Step-by-step road directions between Irvine, CA and Lompoc, CA.
1
Start on I 405
1.4 mi
·
1 min
·
San Diego Freeway
2
Take the exit
0.3 mi
·
21 sec
Exit 4
Toward University Drive, Jeffrey Road
3
Turn left onto Jeffrey Road
0.2 mi
·
22 sec
·
Jeffrey Road
Use the left lane.
4
Take the ramp
0.2 mi
·
18 sec
Toward I 405 North: Los Angeles
Use the straight / right lanes.
5
Merge onto I 405
6.5 mi
·
7 min
·
San Diego Freeway
Use the straight / slight right lanes.
6
Keep slight right at fork onto I 405
9.7 mi
·
11 min
·
San Diego Freeway
Use the straight / slight right lanes.
7
Keep slight left at fork onto I 405
43 mi
·
49 min
·
I 405
Use the straight / slight right lanes.
8
Take the exit
0.6 mi
·
1 min
Exit 63B
Toward US 101 North, US 101 South: Ventura, Los Angeles
Use the slight right lane.
9
Keep slight left at fork
0.6 mi
·
1 min
Toward US 101 North: Ventura
Use the slight left lane.
10
Merge onto US 101
47 mi
·
54 min
·
Ventura Freeway
Use the straight / slight right lanes.
11
Keep slight left at fork onto US 101
18 mi
·
21 min
·
US 101
Use the straight / slight right lanes.
12
Continue on US 101
47 mi
·
54 min
·
El Camino Real
Use the straight / slight right lanes.
13
Take the exit onto CA 1
0.3 mi
·
28 sec
·
CA 1
Exit 132
Toward CA 1: Lompoc, Vandenberg AFB
14
Turn left onto CA 1
1.5 mi
·
2 min
·
Cabrillo Highway
15
Continue on CA 1
16 mi
·
22 min
·
San Julian Road
Use the left / straight / right lanes.
16
Turn left onto CA 1; CA 246
1.3 mi
·
1 min
·
East Ocean Avenue
Use the left / straight lanes.
17
Turn right onto CA 1
0.1 mi
·
14 sec
·
North H Street
18
Continue on CA 1
0.1 mi
·
15 sec
·
North H Street
19
Arrive at destination
CA 1
Trip Plan
Given the 3h 50m estimated drive time, leaving Irvine in the morning will give you plenty of daylight to reach Lompoc. Since this is a 1-day trip with a reasonable duration, you have flexibility with your departure time. The primary roads involve a good amount of highway driving, so keep an eye on your fuel levels, especially before heading into longer stretches. Plan for one stop to break up the drive, perhaps around the halfway point, to stretch your legs and refuel if needed.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 97 miles from Irvine, CA, or about 1h 53m into the drive.
The longest continuous stretch on this route runs about 46.9 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 43 miles or 49m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 97 miles or 1h 53m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 5m
Traffic, exits, and arrival timing usually matter more near Lompoc, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Irvine, 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.
Day 1
Settle into the route from Irvine, CA
This is one driving day of about 193.9 miles and 3h 50m.
Your first comfortable stop window is around 43 miles from Irvine, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Ventura Freeway for about 46.9 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
97 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 43 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 97 miles from Irvine, CA, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 145 decision points cluster between mile 1.4 and 61.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
1.4 mi into trip
|
~1m in
Take the exit toward University Drive, Jeffrey Road
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 4
Toward University Drive, Jeffrey Road
6
1.8 mi into trip
|
~2m in
Take the ramp toward I 405 North: Los Angeles
Lane positioning matters here
Use the straight / right lanes.
Toward I 405 North: Los Angeles
6
8.6 mi into trip
|
~10m in
|
I 405 / San Diego Freeway
Keep slight right at fork onto I 405 / San Diego Freeway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
8
60.8 mi into trip
|
~1h 10m in
Take the exit toward US 101 North, US 101 South: Ventura, Los Angeles
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 63B
Toward US 101 North, US 101 South: Ventura, Los...
7
61.4 mi into trip
|
~1h 11m in
Keep slight left at fork toward US 101 North: Ventura
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward US 101 North: Ventura
Fuel & Cost
Regular Gas
$44.57 one way
$89.13 round trip
$5.84/gal
25.4 MPG avg
68 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $45.93 | $91.85 |
| premium | $6.18 | $47.15 | $94.31 |
| diesel | $5.61 | $42.81 | $85.62 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$45
Meals
$25–$50
Total
$70–$95
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 67.8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $20 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 58.2 | 0 | $20.36 | $9.31 |
| Efficient EV | 48.5 | 0 | $16.97 | $7.76 |
| EV Truck/SUV | 77.6 | 0 | $27.15 | $12.41 |
Gas CO2
68 kg
EV CO2
23 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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.
Destination
Lompoc, CA
Late night in Lompoc on Tuesday
Local time
3:17 AM
PDT
Current temp
66°F
Unavailable
Live forecast
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.
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
12 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
3h 50m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
This trip is mostly highway, with 65% of the 193.9 miles on freeways. The longest continuous stretch on the Ventura Freeway is 46.9 miles. You'll experience highway cruising for a significant portion before transitioning to El Camino Real. Expect a mix of freeway speeds and potentially more local traffic as you get closer to your destination.
65% highway — fuel and pacing are the main things to plan.
19 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 46.9 mi on Ventura Freeway.
How Hard Is This Drive?
9/10
This is a straightforward highway drive that stays mostly on Ventura Freeway and El Camino Real. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1.4 miles in.
Driving Effort
9/10
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 14 significant decision points across 193.9 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 1.4 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 1.8 miles: Lane positioning matters here; at 8.6 miles (I 405 / San Diego Freeway): Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
Gently rolling terrain
945 ft
24 ft
Total Climb
1,656 ft
Total Descent
1,606 ft
Highest Point
945 ft
~83.1 mi in
Elevation Range
921 ft
Notable High Points
761 ft at ~180.1 miles
+642 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Irvine, CA and Lompoc, CA, road signs point toward Los Angeles and Vandenberg Afb.
Los Angeles
60.8 mi in
|
~1h 10m
Vandenberg Afb
174.2 mi in
|
~3h 23m
|
via CA 1
About the Cities
Starting in Irvine, CA
Full guide →Founded 1971
Irvine is a city of 308,000 people (2020) in Orange County, California. Irvine is one of the newest and largest cities in Orange County, and it is still growing. The city is a perfectly planned suburbia. The Irvine Company started developing the area in the 1960s and the city was formally incorporated on December 28, 1971.
Top landmarks
- • Pretend City Children's Museum — children's Museum in California, U.S.
Arriving in Lompoc, CA
Full guide →Founded 1888
Lompoc (pronounced LOM-pohk) is in Santa Barbara County, California, USA. It is called the "City of Arts and Flowers". More than half the world's flower seeds are grown in the fields around Lompoc. In 2021, it was home to 44,000 people.
Top landmarks
- • La Purisima Mission — place in California listed on National Register of Historic Places
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 50m. Total distance: 193.9 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 50m drive, comfortable solo distance.
Frequently Asked Questions
The longest stretch is about 46.9 miles on Ventura Freeway. The full list of main roads is in the Roads section above.
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 Lompoc, 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 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 1.4 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 1.8 miles: Lane positioning matters here; at 8.6 miles (I 405 / San Diego Freeway): Highway fork - watch signs carefully. Lane positioning matters here.
Possible but tiring. At 3.8 hours each way, an in-and-out day trip would put you behind the wheel for 7.7 hours — manageable with a long break at Lompoc, CA, but most travelers stay overnight.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.
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