Origin
Colma, CA
Afternoon in Colma on Sunday
Local time
1:34 PM
PDT
Current temp
47°F
Unavailable
Live forecast
Trip from Colma, CA to San Diego, CA
Drive Time
9h 37m
Distance
501.1 mi
806 km
Drive Score
7/10
Good drive
Same Day?
2-day trip
Fuel Cost
$116
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
9h 29m
★
6 AM
9h 37m
8 AM
9h 55m
10 AM
9h 44m
12 PM
9h 42m
3 PM
9h 44m
5 PM
9h 54m
8 PM
9h 32m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Colma, CA
Efrem Efre
San Diego, CA
Lindsey Willard
Trip Overview
Traveling from Colma to San Diego covers 510.4 miles, a journey that typically takes about 8 hours and 23 minutes behind the wheel. Given the distance, you should plan for this to be a two-day trip rather than a single-day haul to ensure you stay alert. You will navigate a mix of local roads and highways, including stretches of El Camino Real, I-380 East, and Quentin L. Budgeting roughly $69 for fuel is a smart way to prepare for the costs associated with this Pacific Coast trek. While the drive connects two major California regions, the length of the journey makes an overnight stop highly recommended for most drivers. Approach this route with a realistic mindset, as the time spent on the road requires careful pacing to keep the experience manageable and enjoyable.
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
250.6 miles from Colma, CA
A natural place for your longest stop of the day , about 4h 45m into the drive .
Drive Character
Expect a varied experience as you transition through the different road types on this 510.4-mile path. Because the highway share is 0%, you won't be relying on high-speed interstate cruising for the duration, which significantly changes the feel of the drive compared to a standard freeway trek. Navigating El Camino Real means you should prepare for a more consistent, local driving pace rather than long stretches of open highway. You won't face any massive, uninterrupted highway legs, as there are 0 miles of longest stretch on El Camino Real specifically. Be ready for a drive that demands your full attention, as the road surface and traffic patterns will shift frequently as you head south.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 38 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Westside Freeway is the longest continuous segment at about 181.1 miles.
How Hard Is This Drive?
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 4.6 miles in.
Route Complexity
10/10
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 34 significant decision points across 501.1 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 4.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 29.7 miles (US 101 / Bayshore Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 357.3 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 34 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
8
4.6 mi into trip
|
~7m in
Take the exit toward US 101 South: San Jose, San Francisco International Airport
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 6A
Toward US 101 South: San Jose, San Francisco In...
8
29.7 mi into trip
|
~38m in
|
US 101 / Bayshore Freeway
Keep slight left at fork onto US 101 / Bayshore Freeway toward US 101 South: San Jose, Los Angeles
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward US 101 South: San Jose, Los Angeles
8
357.3 mi into trip
|
~6h 45m 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
382.3 mi into trip
|
~7h 14m 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...
8
416.7 mi into trip
|
~7h 57m 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...
Towns Along This Route
Between Colma, CA and San Diego, CA, road signs point toward Los Angeles, Santa Ana, Broadway and Riverside.
Los Angeles
29.7 mi in
|
~38m
|
via US 101
Santa Ana
382.3 mi in
|
~7h 14m
|
via I 5
Broadway
409.5 mi in
|
~7h 46m
Riverside
416.7 mi in
|
~7h 57m
|
via Jamboree Road
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Westside Freeway | 181.1 mi | 3h 14m |
| I 5 Truck | 83.3 mi | 1h 36m |
| San Diego Freeway | 76.5 mi | 1h 29m |
| Bayshore Freeway | 66.5 mi | 1h 16m |
| Pacheco Pass Highway | 40.6 mi | 50m |
| Santa Ana Freeway | 35 mi | 40m |
| Golden State Freeway | 5.3 mi | 6m |
| El Camino Real | 3.9 mi | 6m |
Longest stretch:
Westside Freeway
— 181.1 mi, about 3h 14m
Turn-by-Turn Driving Directions
Step-by-step road directions between Colma, CA and San Diego, CA.
1
Start on this road
379 ft
·
29 sec
·
this road
2
Turn right onto CA 82
3.9 mi
·
6 min
·
El Camino Real
Use the left lane.
3
Take the ramp
0.2 mi
·
30 sec
Toward I 380 East, US 101: San Francisco International Airport
Use the right lane.
4
Merge onto I 380
0.3 mi
·
23 sec
·
Quentin L. Kopp Freeway
5
Take the exit
0.8 mi
·
1 min
Exit 6A
Toward US 101 South: San Jose, San Francisco International Airport
Use the straight / slight right lanes.
6
Keep slight left at fork
0.4 mi
·
47 sec
Toward US 101 South: San Jose
Use the straight / slight right lanes.
7
Merge onto US 101
24 mi
·
27 min
·
Bayshore Freeway
Use the straight / slight right lanes.
8
Keep slight left at fork onto US 101
42 mi
·
48 min
·
Bayshore Freeway
Toward US 101 South: San Jose, Los Angeles
Use the straight / slight right lanes.
9
Take the exit onto CA 152
0.3 mi
·
39 sec
·
CA 152
Toward CA 152 East: 10th Street, Pacheco Pass Road
10
Turn left onto CA 152
353 ft
·
12 sec
·
East 10th Street
11
Continue on CA 152
41 mi
·
50 min
·
Pacheco Pass Highway
12
Take the exit
0.6 mi
·
1 min
Toward I 5: Los Angeles
13
Merge onto I 5
181 mi
·
3 hr 14 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
To make the most of your 8 hour and 23 minute trip, plan to depart early in the morning to beat local congestion. Since this route requires two days of travel, map out your two stops in advance to break up the drive effectively and avoid fatigue. Keep a close eye on your fuel gauge, as the $69 estimated cost can fluctuate depending on your vehicle's efficiency and local station pricing. Flexibility is your best asset here; don't hesitate to adjust your pace if you find the local road sections becoming repetitive. A concrete tip for this specific route is to prioritize your rest periods during the transitions between El Camino Real and the other segments, as these connection points are ideal moments to refuel and stretch your legs.
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 250.6 miles from Colma, CA, or about 4h 45m into the drive.
The longest continuous stretch on this route runs about 181.1 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 110 miles or 2h 14m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 250.6 miles or 4h 45m 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 250.6 miles or 4h 45m
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 25m
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 Colma, 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 Colma, CA
Aim for roughly 251 miles and 4.8 hours of wheel time on this day.
Day 2
Finish the approach into San Diego, CA
Aim for roughly 251 miles and 4.8 hours of wheel time on this day.
Your first comfortable stop window is around 110 miles from Colma, 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 181.1 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 250.6 mi from Colma, CA · 4h 45m into the drive
First major stop
Coffee and fuel
165 mi into the route
Best for: Coffee, fuel, and an easy first stretch
This is a natural early stop once the first hours of the drive are behind you.
Second major stop
Overnight candidate
331 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 Los Angeles, CAOvernight Options
Night 1
251 mi · about 4.8h in
A practical overnight split lands near Bakersfield, CA after about 251 miles or 4.8 hours of driving.
Find hotelsPacing Suggestions
Fuel and coffee
A short stop after about 110 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 250.6 miles from Colma, 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 251 miles or 4.8 hours on the road.
Arriving in San Diego, CA
The final approach into San Diego, 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 San Diego, CA.
On a multi-day trip, keep the last day a little lighter so you reach San Diego, 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.
Fuel & Cost
Regular Gas
$116.04 one way
$232.08 round trip
$5.88/gal
25.4 MPG avg
175 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.07 | $119.67 | $239.34 |
| premium | $6.24 | $123.16 | $246.33 |
| diesel | $5.64 | $111.33 | $222.65 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$116
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$246–$356
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 175.3 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $53 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 150.3 | 1 | $52.62 | $24.05 |
| Efficient EV | 125.3 | 1 | $43.85 | $20.04 |
| EV Truck/SUV | 200.4 | 2 | $70.15 | $32.07 |
Gas CO2
175 kg
EV CO2
59 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.
Destination
San Diego, CA
Afternoon in San Diego on Sunday
Local time
1:34 PM
PDT
Current temp
72°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
25 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
9h 37m 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.
Frequently Asked Questions
The drive from Colma, CA to San Diego, CA covers 501.1 miles and takes about 9h 37m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Westside Freeway, I 5 Truck, San Diego Freeway. Expect a mix of highway and local road driving.
Consider an overnight stop or starting very early.
Yes. This route is usually more comfortable as a 2-day drive. A sensible stopping point is after roughly 251 miles on day one.
The midpoint is about 250.6 miles from Colma, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $116.04 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 2 meaningful breaks for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 34 significant decision points across 501.1 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.
The main spots that need attention: at 4.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 29.7 miles (US 101 / Bayshore Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 357.3 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here.
Between Colma, CA and San Diego, CA, road signs point toward Los Angeles, Santa Ana, Broadway and Riverside.
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