How far is San Diego, CA from Rosamond, CA?
The driving distance from San Diego, CA to Rosamond, CA is about 192.2 miles (309.3 km), with a travel time of about 03h 51m by car.
- The straight-line flight distance is about 159.1 miles (256.1 km).
- For a round trip, plan for roughly 07h 43m 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 51m.
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.
Census-designated place in Riverside County, California
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between San Diego and Rosamond.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Rosamond.
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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
6.3 mi · 7 min · Escondido Freeway
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14
Take the exit slight right toward I 215
1510 ft · 18 sec
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15
Continue on Escondido Freeway
34.5 mi · 40 min · Escondido Freeway
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16
Keep slight right to continue on I 215 North: San Bernardino, Barstow
2413 ft · 51 sec
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17
Merge slight left onto Riverside Freeway
5.4 mi · 6 min · Riverside Freeway
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18
Continue on San Bernardino Freeway
5.5 mi · 6 min · San Bernardino Freeway
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19
Continue on Barstow Freeway
8.9 mi · 10 min · Barstow Freeway
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20
Keep slight left
1141 ft · 14 sec
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21
Continue on Barstow and Mojave Freeway
6.8 mi · 7 min · Barstow and Mojave Freeway
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22
Take the exit slight right toward CA 138: Palmdale, Silverwood Lake
1360 ft · 35 sec
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23
Turn left
39.9 mi · 56 min
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24
Continue on 47th Street East
1.8 mi · 3 min · 47th Street East
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25
Enter the roundabout and take exit 3 toward East Palmdale Boulevard
88 m · 10 sec · East Palmdale Boulevard
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26
Exit the roundabout onto East Palmdale Boulevard
5 mi · 6 min · East Palmdale Boulevard
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27
Take the exit slight right toward CA 14 North, CA 138 West: Mojave
1667 ft · 41 sec
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28
Merge slight left onto Antelope Valley Freeway
10.4 mi · 12 min · Antelope Valley Freeway
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29
Keep slight left to continue on Aerospace Highway
9.4 mi · 10 min · Aerospace Highway
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30
Take the exit slight right toward Rosamond Boulevard
1097 ft · 27 sec
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31
Keep slight right
152 m · 12 sec
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32
Turn straight onto Rosamond Boulevard
1721 ft · 35 sec · Rosamond Boulevard
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33
Turn right onto Sierra Highway
27 m · 2 sec · Sierra Highway
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34
Arrive at your destination
0 m · 1 sec · Sierra Highway
Car Route Details
A richer read on the saved driving route between San Diego and Rosamond.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Longest stretch
Turn left
39.9 mi · 00h 56m
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 Sunny near Rosamond.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego to Rosamond?
The road trip is about 192.2 miles (309.3 km) and usually takes 03h 51m 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?
Highgrove is a useful midpoint, sitting about 96.2 miles from San Diego and 96 miles from Rosamond.
How much longer is the road route than the straight-line distance?
The direct path is about 159.1 miles (256.1 km), while the road route adds roughly 33.1 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 9:16 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.11 one way or $78.23 round trip. Estimated CO2 is about 60.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Diego and Sunny near Rosamond.
Stop Ideas Near Highgrove
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall
Loma Linda City Hall
City of Loma Linda Fire Station 251
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Highgrove.
Riverside–Downtown
San Bernardino Santa Fe Depot
Moreno Valley, California
Perris, California
Flight Path Map
This map shows the direct air route between San Diego and Rosamond. Straight-line distance: 159.13 mi (256.1 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 Rosamond
Census-designated place in Kern County, California
| Population | 18,150 |
| Coordinates | 34.8641400, -118.1634100 |
| Altitude | 714 |
| Country | United States |
End: Rosamond (-118.16341, 34.86414)
Estimated Travel Time
Distance: 309 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 24m |
| 40 mph (64.37 km/h) | 04h 48m |
| 50 mph (80.47 km/h) | 03h 50m |
| 60 mph (96.56 km/h) | 03h 12m |
| 70 mph (112.65 km/h) | 02h 44m |
| 80 mph (129 km/h) | 02h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $39.11 | $78.23 |
| Mid-grade | $6.07 | $41.13 | $82.25 |
| Premium | $6.24 | $42.33 | $84.66 |
| Diesel | $7.57 | $51.30 | $102.61 |
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 · May 07, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.