Origin
Diamond Bar, CA
Late night in Diamond Bar on Tuesday
Local time
4:12 AM
PDT
Current temp
67°F
Unavailable
Live forecast
Trip from Diamond Bar, CA to Los Angeles, 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
35m
Distance
28.7 mi
46 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$7
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 33m
★
6 AM
0h 36m
8 AM
0h 42m
10 AM
0h 38m
12 PM
0h 37m
3 PM
0h 38m
5 PM
0h 41m
8 PM
0h 34m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Diamond Bar, CA
Wikimedia Commons
Los Angeles, CA
Stephen Leonardi
Trip Overview
Diamond Bar to Los Angeles is 28.7 miles and takes about 35 minutes via the Pomona Freeway, with a fuel budget near $7 and enough daylight to finish in a day. This route stays within California's Pacific Coast region, offering a straightforward drive between two major Southern California hubs. Expect a mostly highway experience, making it a quick and convenient option for connecting these areas. It's a short enough trip to be completed in a single day without much issue.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Pomona Freeway | 21.5 mi | 24m |
| CA 60A | 2.6 mi | 2m |
| Santa Ana Freeway | 2 mi | 2m |
| Orange Freeway | 0.8 mi | <1m |
| North Los Angeles Street | 0.3 mi | <1m |
| East Arcadia Street | 0.2 mi | <1m |
| Sunset Crossing Road | 0.1 mi | <1m |
| East 1st Street | <0.1 mi | <1m |
Longest stretch:
Pomona Freeway
— 21.5 mi, about 24m
Turn-by-Turn Driving Directions
Step-by-step road directions between Diamond Bar, CA and Los Angeles, CA.
1
Start on this road
39 ft
·
5 sec
·
this road
2
At end of road, turn right onto Sunset Crossing Road
0.1 mi
·
20 sec
·
Sunset Crossing Road
3
Take the ramp
0.2 mi
·
23 sec
Toward CA 57 South, CA 60 West: Santa Ana, Los Angeles
4
Merge onto CA 57
0.7 mi
·
47 sec
·
Orange Freeway
5
Merge onto CA 60; CA 57
1.3 mi
·
1 min
·
Pomona Freeway
Use the straight / slight right lanes.
6
Keep slight right at fork onto CA 57
405 ft
·
5 sec
·
Orange Freeway
Toward CA 57 South, CA 60 Alt West: Santa Ana, Brea Canyon Road
Use the slight right lane.
7
Keep slight right at fork onto CA 60A
2.6 mi
·
2 min
·
CA 60A
Toward CA 60 Alt West: Brea Canyon Road
Use the straight / slight right lanes.
8
Keep slight right at fork onto CA 60
1.8 mi
·
2 min
·
Pomona Freeway
Use the straight / slight right lanes.
9
Keep slight right at fork onto CA 60
2.5 mi
·
2 min
·
Pomona Freeway
Use the straight / slight right lanes.
10
Keep slight right at fork onto CA 60
2.0 mi
·
2 min
·
Pomona Freeway
Use the straight / slight right lanes.
11
Keep slight right at fork onto CA 60
14 mi
·
16 min
·
Pomona Freeway
Use the straight / slight right lanes.
12
Take the exit
0.2 mi
·
19 sec
Exit 1C; 1E
Toward US 101 North, I 5 North: Los Angeles, Sacramento
Use the straight / slight right lanes.
13
Keep slight left at fork
0.1 mi
·
15 sec
Toward US 101 North: Los Angeles
Use the straight / slight right lanes.
14
Keep slight left at fork
0.5 mi
·
1 min
Exit 1C
Toward US 101 North: Los Angeles
15
Merge onto US 101
2.0 mi
·
2 min
·
Santa Ana Freeway
Use the straight / slight right lanes.
16
Take the exit
0.2 mi
·
19 sec
Exit 2B
Toward Alameda Street, Union Station
Use the slight right lane.
17
Continue on I 10 EXPR
0.2 mi
·
32 sec
·
East Arcadia Street
Use the left / straight lanes.
18
Turn left onto North Los Angeles Street
0.3 mi
·
44 sec
·
North Los Angeles Street
19
Turn right onto East 1st Street
461 ft
·
17 sec
·
East 1st Street
20
Arrive at destination
West 1st Street
Heads-up: tricky spots
5 of 185 decision points cluster between mile 0.1 and 27.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
0.1 mi into trip
|
~0m in
Take the ramp toward CA 57 South, CA 60 West: Santa Ana, Los Angeles
Multiple destination signs - pick the right one
Toward CA 57 South, CA 60 West: Santa Ana, Los...
8
2.3 mi into trip
|
~3m in
|
CA 57 / Orange Freeway
Keep slight right at fork onto CA 57 / Orange Freeway toward CA 57 South, CA 60 Alt West: Santa Ana, Brea Canyon Road
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward CA 57 South, CA 60 Alt West: Santa Ana,...
8
25.2 mi into trip
|
~29m in
Take the exit toward US 101 North, I 5 North: Los Angeles, Sacramento
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 1C; 1E
Toward US 101 North, I 5 North: Los Angeles, Sa...
8
25.3 mi into trip
|
~29m in
Keep slight left at fork toward US 101 North: Los Angeles
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward US 101 North: Los Angeles
8
27.9 mi into trip
|
~33m in
Take the exit toward Alameda Street, Union Station
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 2B
Toward Alameda Street, Union Station
Fuel & Cost
Regular Gas
$6.60 one way
$13.19 round trip
$5.84/gal
25.4 MPG avg
10 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $6.80 | $13.60 |
| premium | $6.18 | $6.98 | $13.96 |
| diesel | $5.61 | $6.34 | $12.67 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$7
Estimated CO2 emission: 10 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 70% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8.6 | 0 | $3.01 | $1.38 |
| Efficient EV | 7.2 | 0 | $2.51 | $1.15 |
| EV Truck/SUV | 11.5 | 0 | $4.02 | $1.84 |
Gas CO2
10 kg
EV CO2
3 kg (70% 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
Los Angeles, CA
Late night in Los Angeles on Tuesday
Local time
4:12 AM
PDT
Current temp
55°F
Unavailable
Live forecast
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 cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
35m 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 is primarily a highway drive, with 85% of the 28.7 miles on freeways. You'll experience a continuous stretch of 21.5 miles on the Pomona Freeway. The transition to surface streets will occur towards the end of your drive, likely within the last 7 miles. Be prepared for urban merging and exit traffic as you approach your destination.
85% highway — fuel and pacing are the main things to plan.
20 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 21.5 mi on Pomona Freeway.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on Pomona Freeway and CA 60A. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in.
Driving Effort
10/10
Focused - lots of decisions in a short distance, but it is over quickly
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 18 decision points packed into just 28.7 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 35m.
Where does it get tricky?
The main spots that need attention: at 0.1 miles: Multiple destination signs - pick the right one; at 2.3 miles (CA 57 / Orange Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 25.2 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.
On the drive from Diamond Bar, CA to Los Angeles, CA, road signs begin pointing toward Sacramento along the way.
Sacramento
25.2 mi in
|
~29m
About the Cities
Starting in Diamond Bar, CA
Full guide →Founded 1989
Diamond Bar is a city in the San Gabriel Valley of Los Angeles in Southern California.
Arriving in Los Angeles, CA
Full guide →“Tinseltown” · Founded 1781
Frank Lloyd Wright is said to have quipped, "Tip the world over on its side and everything loose will land in Los Angeles," a quote that has since been repeated both by those who love and hate L.A. The "City of Angels" is home to people who hail from all parts of the globe and an important center of culture, business, media, and international trade. However, it's most famous for being a major center of the world's television, motion picture, and music industry, which forms the base of the city's status and lures visitors for its show business history and celebrity culture. Visitors are also drawn to Los Angeles for its Mediterranean climate and numerous beaches, which gave birth to California's famed surf culture.
Top landmarks
- • Hollywood Walk of Fame — more than 2,700 five-pointed terrazzo and brass stars embedded in the sidewalks...
- • Hollywood Sign — sign reading "HOLLYWOOD" located in Los Angeles, California, United States
- • Getty Center — campus of the Getty Museum and other programs of the Getty Trust in Los Angeles
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 35m. Total distance: 28.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
35m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (85%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 21.5 miles on Pomona Freeway. The full list of main roads is in the Roads section above.
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 Los Angeles, CA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.1 miles: Multiple destination signs - pick the right one; at 2.3 miles (CA 57 / Orange Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 25.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Los Angeles, CA before heading back.
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, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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