How far is Santa Ana, CA from Los Osos, CA?
The driving distance from Santa Ana, CA to Los Osos, CA is about 229.8 miles (369.8 km), with a travel time of about 04h 41m by car.
- The straight-line flight distance is about 200.5 miles (322.6 km).
- For a round trip, plan for roughly 09h 23m 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 04h 41m.
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.
City in California
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Santa Ana and Los Osos.
Turn-by-Turn Driving Directions
Step-by-step road directions between Santa Ana and Los Osos.
-
1
Start on West 1st Street
576 ft · 16 sec · West 1st Street
-
2
Turn right onto North Broadway
1.5 mi · 3 min · North Broadway
-
3
Turn right onto West Santa Clara Avenue
615 ft · 14 sec · West Santa Clara Avenue
-
4
Continue on I 5 North: Los Angeles
1787 ft · 27 sec
-
5
Merge slight left onto Santa Ana Freeway
8.9 mi · 10 min · Santa Ana Freeway
-
6
Keep slight right to continue on Santa Ana Freeway
18 mi · 21 min · Santa Ana Freeway
-
7
Keep slight right to continue on Golden State Freeway
10.7 mi · 13 min · Golden State Freeway
-
8
Take the exit slight right toward CA 134 West: Ventura Freeway, Ventura
1842 ft · 24 sec
-
9
Merge slight right onto Ventura Freeway
2950 ft · 38 sec · Ventura Freeway
-
10
Keep slight right to continue on Ventura Freeway
1.9 mi · 2 min · Ventura Freeway
-
11
Keep slight right to continue on Ventura Freeway
1.2 km · 53 sec · Ventura Freeway
-
12
Keep slight right to continue on Ventura Freeway
54.7 mi · 1 hr 3 min · Ventura Freeway
-
13
Keep slight left
18.5 mi · 21 min
-
14
Continue on El Camino Real
16.4 mi · 19 min · El Camino Real
-
15
Take the exit slight right toward CA 154: State Street, Cachuma Lake
1127 ft · 29 sec
-
16
Continue on Calle Real
1672 ft · 40 sec · Calle Real
-
17
Turn right onto Chumash Highway
23.9 mi · 33 min · Chumash Highway
-
18
Enter the roundabout and take exit 2 toward Chumash Highway
35 m · 2 sec · Chumash Highway
-
19
Exit the roundabout onto Chumash Highway
2.2 mi · 3 min · Chumash Highway
-
20
Enter the roundabout and take exit 2 toward Chumash Highway
43 m · 2 sec · Chumash Highway
-
21
Exit the roundabout onto Chumash Highway
6.3 mi · 10 min · Chumash Highway
-
22
Take the ramp right toward US 101 North
1138 ft · 31 sec
-
23
Merge slight left
53.1 mi · 1 hr 1 min
-
24
Take the exit slight right toward Los Osos Valley Road
1421 ft · 39 sec
-
25
Turn left onto Los Osos Valley Road
10.3 mi · 16 min · Los Osos Valley Road
-
26
Continue on Los Osos Valley Road
83 m · 14 sec · Los Osos Valley Road
-
27
Arrive at your destination
0 m · 1 sec · Los Osos Valley Road
Car Route Details
A richer read on the saved driving route between Santa Ana and Los Osos.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Ventura Freeway
Keep slight right to continue on Ventura Freeway
54.7 mi · 01h 03m
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.
Sunny leaving Santa Ana and Sunny near Los Osos.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Santa Ana to Los Osos?
The road trip is about 229.8 miles (369.8 km) and usually takes 04h 41m 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?
Carpinteria is a useful midpoint, sitting about 114.6 miles from Santa Ana and 115.1 miles from Los Osos.
How much longer is the road route than the straight-line distance?
The direct path is about 200.5 miles (322.6 km), while the road route adds roughly 29.3 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 7:36 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $50.78 one way or $101.55 round trip. Estimated CO2 is about 72.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Santa Ana and Sunny near Los Osos.
Stop Ideas Near Carpinteria
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Motel 6 Carpinteria, CA - Santa Barbara - South
Superior Court Of California County Of Santa Barbara
San Buenaventura City Hall
City of Santa Barbara City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Carpinteria.
Carpinteria station
Santa Barbara
Ventura
Goleta station
Flight Path Map
This map shows the direct air route between Santa Ana and Los Osos. Straight-line distance: 200.42 mi (322.55 km).
#1 Santa Ana
The most populous city in Orange County, California and the center of the Santa Ana metropolitan area.
| Population | 331,301 |
| Coordinates | 33.7455700, -117.8678300 |
| Altitude | 35 |
| Country | United States |
#2 Los Osos
Located along California's Central Coast in San Luis Obispo County at an elevation of 131 feet, this community is positioned on the southern shore of the Morro Bay estuary.
| Population | 0 |
| Coordinates | 35.3110900, -120.8324000 |
| Altitude | 40 |
| Country | United States |
End: Los Osos (-120.8324, 35.31109)
Estimated Travel Time
Distance: 370 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 39m |
| 40 mph (64.37 km/h) | 05h 44m |
| 50 mph (80.47 km/h) | 04h 35m |
| 60 mph (96.56 km/h) | 03h 49m |
| 70 mph (112.65 km/h) | 03h 16m |
| 80 mph (129 km/h) | 02h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $6.26 | $50.78 | $101.55 |
| Mid-grade | $6.50 | $52.71 | $105.41 |
| Premium | $6.69 | $54.25 | $108.50 |
| Diesel | $8.41 | $68.23 | $136.46 |
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 · Oct 15, 2026