Origin
Wilton, CA
Late night in Wilton on Tuesday
Local time
5:13 AM
PDT
Current temp
69°F
Unavailable
Live forecast
Trip from Wilton, CA to San Diego, 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
9h 26m
Distance
497.5 mi
801 km
Drive Score
7/10
Good drive
Same Day?
2-day trip
Fuel Cost
$114
one way
EV Charging
Unknown
Best Time to Leave
4 AM
9h 18m
★
6 AM
9h 26m
8 AM
9h 43m
10 AM
9h 32m
12 PM
9h 30m
3 PM
9h 33m
5 PM
9h 42m
8 PM
9h 21m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Wilton, CA
Stephen Leonardi
San Diego, CA
Wikimedia Commons
Trip Overview
Wilton, CA to San Diego, CA is 497.5 miles and takes about 9h 26m via Westside Freeway and I 5 Truck, with a fuel budget near $114 and an overnight recommendation. This highway-focused drive spans the length of California, connecting the Pacific Coast region from north to south. With 97% of the journey on major highways, it's a direct route designed for efficient travel. Plan for a recommended 2-day trip to break up the nearly 10-hour driving time and make the most of your journey down the state.
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
248.7 miles from Wilton, CA
A natural place for your longest stop of the day , about 4h 36m into the drive .
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Westside Freeway | 250.2 mi | 4h 28m |
| I 5 Truck | 83.3 mi | 1h 36m |
| San Diego Freeway | 76.5 mi | 1h 29m |
| Santa Ana Freeway | 35 mi | 40m |
| South Sacramento Freeway | 29.7 mi | 34m |
| Golden State Freeway | 5.3 mi | 6m |
| Grant Line Road | 5 mi | 7m |
| Crosstown Freeway | 2.4 mi | 2m |
Longest stretch:
Westside Freeway
— 250.2 mi, about 4h 28m
Turn-by-Turn Driving Directions
Step-by-step road directions between Wilton, CA and San Diego, CA.
1
Start on Green Road
37 ft
·
1 sec
·
Green Road
2
Turn right onto Wilton Road
2.0 mi
·
5 min
·
Wilton Road
3
Turn left onto E2
5.0 mi
·
7 min
·
Grant Line Road
Use the straight lane.
4
Continue on E2
0.1 mi
·
10 sec
·
Kammerer Road
5
Take the ramp
0.3 mi
·
41 sec
6
Merge onto CA 99
30 mi
·
34 min
·
South Sacramento Freeway
7
Take the exit
0.5 mi
·
1 min
Toward CA 4
8
Merge onto CA 4
2.4 mi
·
2 min
·
Crosstown Freeway
9
Take the exit onto CA 4
0.4 mi
·
50 sec
·
CA 4
Toward I 5: Sacramento
10
Keep slight left at fork onto CA 4
0.7 mi
·
1 min
·
CA 4
Toward I 5 South
11
Merge onto I 5; CA 4
13 mi
·
14 min
·
Westside Freeway
12
Keep slight left at fork onto I 5
0.8 mi
·
48 sec
·
Westside Freeway
13
Keep slight left at fork onto I 5
237 mi
·
4 hr 13 min
·
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
4.1 mi
·
4 min
·
Golden State Freeway
Use the straight / slight right lanes.
16
Keep slight right at fork onto I 5 Truck
0.3 mi
·
17 sec
·
I 5 Truck
Exit 158
Toward I 405 South
Use the straight / slight right lanes.
17
Keep slight left at fork onto I 5 Truck
25 mi
·
29 min
·
I 5 Truck
Use the straight / slight right lanes.
18
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 Ana
Use the slight left / straight lanes.
19
Merge onto I 5
26 mi
·
30 min
·
Santa Ana Freeway
Use the straight / slight right lanes.
20
Keep slight right at fork onto I 5
0.2 mi
·
16 sec
·
Santa Ana Freeway
Use the straight / slight right lanes.
21
Take the exit
0.8 mi
·
57 sec
Toward Broadway, Main Street, Santa Ana
Use the straight / slight right lanes.
22
Keep slight left at fork
0.1 mi
·
10 sec
Use the straight / slight right lanes.
23
Keep slight left at fork
0.2 mi
·
12 sec
Toward I 5 South
24
Merge onto I 5
0.8 mi
·
54 sec
·
Santa Ana Freeway
25
Keep slight right at fork onto I 5
0.8 mi
·
52 sec
·
Santa Ana Freeway
26
Keep slight right at fork onto I 5
1.2 mi
·
1 min
·
Santa Ana Freeway
Use the straight / slight right lanes.
27
Take the exit
0.7 mi
·
1 min
Exit 102
Toward Newport Avenue
Use the slight right lane.
28
Turn right onto Newport Avenue
0.4 mi
·
44 sec
·
Newport Avenue
Use the right lane.
29
Turn left onto Walnut Avenue
2.2 mi
·
4 min
·
Walnut Avenue
30
Turn left onto Jamboree Road
0.5 mi
·
37 sec
·
Jamboree Road
Toward CA 261 Toll North: Jamboree Road, Riverside
Use the left lane.
31
Take the exit
0.3 mi
·
21 sec
Toward I 5 South
32
Merge onto I 5
5.5 mi
·
6 min
·
Santa Ana Freeway
Use the straight / slight right lanes.
33
Keep slight left at fork onto I 5
0.8 mi
·
55 sec
·
Santa Ana Freeway
Use the straight / slight right lanes.
34
Merge onto I 5
76 mi
·
1 hr 29 min
·
San Diego Freeway
Use the straight / slight right lanes.
35
Take the exit
0.2 mi
·
28 sec
Exit 17
Toward Front Street, Civic Center, 2nd Avenue
Use the straight / slight right lanes.
36
Keep slight right at fork
0.1 mi
·
14 sec
Toward Front Street, Civic Center
37
Continue on Front Street
0.5 mi
·
1 min
·
Front Street
Use the straight / left lanes.
38
Arrive at destination
Front Street
Trip Plan
Given the nearly 9.5-hour drive time, a 2-day trip is strongly recommended to avoid fatigue. Consider departing early in the morning on day one to cover approximately half the distance, allowing for a relaxed evening before continuing on day two. The longest stretch of continuous driving is over 250 miles, so plan your fuel stops accordingly, especially since the estimated fuel cost is $114. Keeping an eye on traffic patterns as you approach major urban areas will be key to a smooth journey.
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 248.7 miles from Wilton, CA, or about 4h 36m into the drive.
The longest continuous stretch on this route runs about 250.2 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 109 miles or 2h 6m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 248.7 miles or 4h 36m 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 248.7 miles or 4h 36m
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 14m
Traffic, exits, and arrival timing usually matter more near San Diego, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Wilton, 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 Wilton, CA
Aim for roughly 249 miles and 4.7 hours of wheel time on this day.
Day 2
Finish the approach into San Diego, CA
Aim for roughly 249 miles and 4.7 hours of wheel time on this day.
Your first comfortable stop window is around 109 miles from Wilton, 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 250.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Overnight candidate
249 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 Santa Clarita, CAOvernight Options
Night 1
249 mi · about 4.7h in
A practical overnight split lands near Santa Clarita, CA after about 249 miles or 4.7 hours of driving.
Find hotelsPacing Suggestions
Fuel and coffee
A short stop after about 109 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 248.7 miles from Wilton, 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 250.2 miles.
Overnight split
Hotel stopFor a steadier pace, wrap day one after about 249 miles or 4.7 hours on the road.
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 335 decision points cluster between mile 353.7 and 496.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
353.7 mi into trip
|
~6h 33m 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
378.7 mi into trip
|
~7h 3m 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
405.9 mi into trip
|
~7h 35m in
Take the exit toward Broadway, Main Street, Santa Ana
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.
Toward Broadway, Main Street, Santa Ana
8
413.1 mi into trip
|
~7h 46m in
|
Jamboree Road
Turn left onto Jamboree Road toward CA 261 Toll North: Jamboree Road, Riverside
Lane positioning matters here. Multiple destination signs - pick the right one
Use the left lane.
Toward CA 261 Toll North: Jamboree Road, Rivers...
8
496.6 mi into trip
|
~9h 23m in
Take the exit toward Front Street, Civic Center, 2nd 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 17
Toward Front Street, Civic Center, 2nd Avenue
Fuel & Cost
Regular Gas
$114.35 one way
$228.69 round trip
$5.84/gal
25.4 MPG avg
174 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $117.83 | $235.67 |
| premium | $6.18 | $120.99 | $241.97 |
| diesel | $5.61 | $109.84 | $219.68 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$114
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$244–$354
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 174.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $52 in charging · 1 stop · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 149.3 | 1 | $52.24 | $23.88 |
| Efficient EV | 124.4 | 1 | $43.53 | $19.90 |
| EV Truck/SUV | 199 | 2 | $69.65 | $31.84 |
Gas CO2
174 kg
EV CO2
58 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.
Destination
San Diego, CA
Late night in San Diego on Tuesday
Local time
5:13 AM
PDT
Current temp
58°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.
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
11 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
9h 26m 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.
Cabrillo National Monument
National Monument
In 1542, Juan Rodriguez Cabrillo climbed out of his boat and onto shore, becoming the first European to set foot on what is now the West Coast of the United States. Cabrillo National Monument not only...
5 mi from route
~13 min detour
$20
near mile 499.8
Park Closure: Park Auditorium Closed Until Further Notice
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...
23 mi from route
~58 min detour
Free
near mile 362
View on nps.gov
César E. Chávez National Monument
National Monument
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
~67 min detour
Free
near mile 293
View on nps.gov
Park data from the National Park Service API. Alerts update every 2 hours.
What kind of drive is this?
Expect a highway-focused drive for the majority of this 497.5-mile trip, with 97% of the route utilizing major freeways like the Westside Freeway and I 5 Truck. The longest uninterrupted stretch measures 250.2 miles on the Westside Freeway, indicating substantial periods of consistent highway travel. While primarily a freeway experience, this route is built for covering ground efficiently, so be prepared for sustained periods behind the wheel on high-speed roads.
97% highway — fuel and pacing are the main things to plan.
38 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 250.2 mi on Westside Freeway.
How Hard Is This Drive?
10/10
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 353.7 miles in near I 5 Truck.
Driving Effort
10/10
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 33 significant decision points across 497.5 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 353.7 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here; at 378.7 miles (I 5 / Golden State Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 405.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
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 Wilton, CA and San Diego, CA, road signs point toward Santa Ana, Broadway and Riverside.
Santa Ana
378.7 mi in
|
~7h 3m
|
via I 5
Broadway
405.9 mi in
|
~7h 35m
Riverside
413.1 mi in
|
~7h 46m
|
via Jamboree Road
About the Cities
Arriving in San Diego, CA
Full guide →Founded 1769
From balmy beaches with a laid-back attitude to a gleaming modern image, San Diego offers much for the tourist to enjoy. Situated on the Southern California seacoast, San Diego is the second largest city in the state, with 1.4 million residents (2020), and has long attracted travelers for its ideal climate, miles of beaches, and location on the Mexican border right across from Tijuana. But there's much more here than surfer culture and a quick hop across the border. A rich maritime and military heritage lives on in San Diego, which is home to the Pacific Fleet of the United States Navy. The city has also become known for its part in the wildlife conservation movement, owing to the presence of the world-renowned San Diego Zoo and Safari Park and the Scripps Institution of Oceanography. Natural scenery abounds from rocky tidepools and seaside cliffs to desert hills and canyons inland.
Top landmarks
- • Balboa Park — historic park in San Diego, California
- • Cabrillo National Monument — National Monument of the United States and historic district
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Frequently Asked Questions
The longest stretch is about 250.2 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 249 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 San Diego, 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 353.7 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here; at 378.7 miles (I 5 / Golden State Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 405.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Cabrillo National Monument, 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 9.4 hours each way, a round trip means 18.9 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at San Diego, CA before the return drive.
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 NPS for national parks. See our methodology for refresh cadence and limitations.
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