How far is Long Beach, CA from Lake San Marcos, CA?
The driving distance from Long Beach, CA to Lake San Marcos, CA is about 83.9 miles (135 km), with a travel time of about 01h 48m by car.
- The straight-line flight distance is about 71.8 miles (115.6 km).
- For a round trip, plan for roughly 03h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 01h 48m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in California, US
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Patchy Fog then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Long Beach and Lake San Marcos.
Turn-by-Turn Driving Directions
Step-by-step road directions between Long Beach and Lake San Marcos.
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1
Start on East Ocean Boulevard
9 m · 3 sec · East Ocean Boulevard
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2
Turn right onto Long Beach Boulevard
129 m · 19 sec · Long Beach Boulevard
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3
Turn right onto East 1st Street
2093 ft · 1 min · East 1st Street
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4
At the end of the road, turn left onto Alamitos Avenue
979 ft · 38 sec · Alamitos Avenue
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5
Turn right onto East 3rd Street
1.5 km · 3 min · East 3rd Street
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6
Turn sharp left onto Junipero Avenue
2637 ft · 2 min · Junipero Avenue
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7
Turn right onto East 7th Street
3.3 mi · 8 min · East 7th Street
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8
Continue on Garden Grove Freeway
1.2 km · 1 min · Garden Grove Freeway
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9
Take the exit slight left toward I 405 South, CA 22 East
1.1 km · 47 sec
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10
Merge slight left onto San Diego Freeway
2 mi · 2 min · San Diego Freeway
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11
Keep slight left to continue on San Diego Freeway
893 ft · 12 sec · San Diego Freeway
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12
Keep slight left
10.3 mi · 12 min
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13
Keep slight right to continue on Corona Del Mar Freeway
4 mi · 5 min · Corona Del Mar Freeway
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14
Continue on San Joaquin Hills Transportation Corridor
10.3 mi · 12 min · San Joaquin Hills Transportation Corridor
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15
Take the exit slight right toward La Paz Road, Moulton Parkway
133 m · 6 sec
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16
Keep slight left to continue on CA 73 South: Moulton Parkway
2519 ft · 33 sec
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17
Keep slight left to continue on CA 73 South
3218 ft · 42 sec
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18
Merge slight left onto San Joaquin Hills Transportation Corridor
2.5 mi · 3 min · San Joaquin Hills Transportation Corridor
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19
Merge slight left onto San Diego Freeway
33.5 mi · 39 min · San Diego Freeway
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20
Take the exit slight right toward CA 78 East: Escondido, Vista Way
907 ft · 31 sec
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21
Keep slight right to continue on CA 78 East: Vista, Escondido
127 m · 18 sec
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22
Continue on Ronald Packard Parkway
10.4 mi · 12 min · Ronald Packard Parkway
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23
Take the exit slight right toward Rancho Santa Fe Road
1188 ft · 31 sec
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24
Turn right onto South Rancho Santa Fe Road
1.8 mi · 3 min · South Rancho Santa Fe Road
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25
Turn left onto Lake San Marcos Drive
533 ft · 27 sec · Lake San Marcos Drive
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26
Turn left onto La Tierra Drive
146 m · 19 sec · La Tierra Drive
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27
Turn right onto La Flora Drive
1215 ft · 44 sec · La Flora Drive
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28
At the end of the road, turn right onto La Bonita Drive
56 m · 6 sec · La Bonita Drive
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29
Arrive at your destination
0 m · 1 sec · La Bonita Drive
Car Route Details
A richer read on the saved driving route between Long Beach and Lake San Marcos.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
San Diego Freeway
Merge slight left onto San Diego Freeway
33.5 mi · 00h 39m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Long Beach and Patchy Fog then Mostly Sunny near Lake San Marcos.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Long Beach to Lake San Marcos?
The road trip is about 83.9 miles (135 km) and usually takes 01h 48m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Dana Point is a useful midpoint, sitting about 41.9 miles from Long Beach and 41.9 miles from Lake San Marcos.
How much longer is the road route than the straight-line distance?
The direct path is about 71.8 miles (115.6 km), while the road route adds roughly 12.1 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 2:54 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.08 one way or $34.15 round trip. Estimated CO2 is about 26.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Long Beach and Patchy Fog then Mostly Sunny near Lake San Marcos.
Stop Ideas Near Dana Point
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Blue Lantern Inn, A Four Sisters Inn
The Ritz-Carlton, Laguna Niguel
City of Lake Forest
Laguna Niguel City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dana Point.
San Juan Capistrano
San Clemente Pier station
Irvine Transportation Center
Santa Ana Regional Transportation Center
Flight Path Map
This map shows the direct air route between Long Beach and Lake San Marcos. Straight-line distance: 71.82 mi (115.58 km).
#1 Long Beach
The second most populous city in California, Long Beach is a major center for business, manufacturing, and tourism.
| Population | 454,681 |
| Coordinates | 33.7669600, -118.1892300 |
| Altitude | 9 |
| Country | United States |
#2 Lake San Marcos
Census-designated place in San Diego County, California
| Population | 4,437 |
| Coordinates | 33.1261500, -117.2083700 |
| Altitude | 160 |
| Country | United States |
End: Lake San Marcos (-117.20837, 33.12615)
Estimated Travel Time
Distance: 135 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 47m |
| 40 mph (64.37 km/h) | 02h 05m |
| 50 mph (80.47 km/h) | 01h 40m |
| 60 mph (96.56 km/h) | 01h 23m |
| 70 mph (112.65 km/h) | 01h 11m |
| 80 mph (129 km/h) | 01h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $17.08 | $34.15 |
| Mid-grade | $6.07 | $17.96 | $35.91 |
| Premium | $6.24 | $18.48 | $36.96 |
| Diesel | $7.57 | $22.40 | $44.80 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in California · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.