How far is San Diego, CA from Twentynine Palms, CA?
The driving distance from San Diego, CA to Twentynine Palms, CA is about 158.6 miles (255.3 km), with a travel time of about 03h 18m by car.
- The straight-line flight distance is about 117.1 miles (188.5 km).
- For a round trip, plan for roughly 06h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 18m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
A city in Riverside County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Diego and Twentynine Palms.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Twentynine Palms.
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1
Start on Front Street
8 m · 6 sec · Front Street
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2
Turn left onto West Broadway
3088 ft · 1 min · West Broadway
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3
Turn left onto 11th Avenue
1146 ft · 25 sec · 11th Avenue
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4
Continue on Cabrillo Parkway
2.4 mi · 3 min · Cabrillo Parkway
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5
Continue on Cabrillo Freeway
8.3 mi · 10 min · Cabrillo Freeway
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6
Keep slight left
2688 ft · 35 sec
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7
Continue on Semper Fi Highway
1.8 mi · 2 min · Semper Fi Highway
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8
Continue on Escondido Freeway
3.1 mi · 4 min · Escondido Freeway
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9
Continue on Tony Gwynn Memorial Freeway
4.6 mi · 5 min · Tony Gwynn Memorial Freeway
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10
Continue on Escondido Freeway
5.9 mi · 7 min · Escondido Freeway
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11
Keep slight left to continue on Escondido Freeway
6.9 mi · 8 min · Escondido Freeway
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12
Continue on Avocado Highway
21.9 mi · 23 min · Avocado Highway
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13
Continue on Escondido Freeway
4.4 mi · 5 min · Escondido Freeway
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14
Take the exit slight right toward CA 79 North: Winchester Road
1382 ft · 38 sec
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15
Turn right onto Winchester Road
13.3 mi · 19 min · Winchester Road
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16
Turn right onto Domenigoni Parkway
4.9 mi · 6 min · Domenigoni Parkway
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17
Turn left onto Sanderson Avenue
1117 ft · 21 sec · Sanderson Avenue
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18
Continue on South Sanderson Avenue
2.1 mi · 4 min · South Sanderson Avenue
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19
Continue on North Sanderson Avenue
7.2 mi · 11 min · North Sanderson Avenue
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20
Continue on Lamb Canyon Road
5.7 mi · 7 min · Lamb Canyon Road
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21
Continue on Beaumont Avenue
1746 ft · 34 sec · Beaumont Avenue
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22
Take the exit right toward I 10 East
1200 ft · 29 sec
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23
Merge slight left onto Pearl Harbor Memorial Highway
17.2 mi · 18 min · Pearl Harbor Memorial Highway
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24
Keep slight left to continue on Sonny Bono Memorial Freeway
4.1 mi · 4 min · Sonny Bono Memorial Freeway
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25
Take the exit slight right toward CA 62: 29 Palms Highway
1.5 km · 1 min
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26
Continue on 29 Palms Highway
41.7 mi · 58 min · 29 Palms Highway
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27
Arrive at your destination
0 m · 1 sec · 29 Palms Highway
Car Route Details
A richer read on the saved driving route between San Diego and Twentynine Palms.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
29 Palms Highway
Continue on 29 Palms Highway
41.7 mi · 00h 58m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving San Diego and Mostly Sunny near Twentynine Palms.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego to Twentynine Palms?
The road trip is about 158.6 miles (255.3 km) and usually takes 03h 18m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Hemet is a useful midpoint, sitting about 79.3 miles from San Diego and 79.3 miles from Twentynine Palms.
How much longer is the road route than the straight-line distance?
The direct path is about 117.1 miles (188.5 km), while the road route adds roughly 41.5 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:24 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.31 one way or $64.61 round trip. Estimated CO2 is about 49.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Diego and Mostly Sunny near Twentynine Palms.
Stop Ideas Near Hemet
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Best Western Plus Diamond Valley Inn
Rotary Park
H&R Block
Hemet City Clerk
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hemet.
Hemet (West Florida Ave), California
Hemet (Devonshire Ave), California
Sun City, California
Perris, California
Flight Path Map
This map shows the direct air route between San Diego and Twentynine Palms. Straight-line distance: 117.15 mi (188.54 km).
#1 San Diego
The eighth most populous city in the United States and the center of the San Diego metropolitan area.
| Population | 1,422,420 |
| Coordinates | 32.7157100, -117.1647200 |
| Altitude | 20 |
| Country | United States |
#2 Twentynine Palms
City in San Bernardino County, California, United States
| Population | 27,433 |
| Coordinates | 34.1355600, -116.0541700 |
| Altitude | 606 |
| Country | United States |
End: Twentynine Palms (-116.05417, 34.13556)
Estimated Travel Time
Distance: 255 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 17m |
| 40 mph (64.37 km/h) | 03h 58m |
| 50 mph (80.47 km/h) | 03h 10m |
| 60 mph (96.56 km/h) | 02h 38m |
| 70 mph (112.65 km/h) | 02h 16m |
| 80 mph (129 km/h) | 01h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $32.31 | $64.61 |
| Mid-grade | $6.07 | $33.97 | $67.94 |
| Premium | $6.24 | $34.96 | $69.92 |
| Diesel | $7.57 | $42.38 | $84.75 |
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.