How far is Atascadero, CA from San Bernardino, CA?
The driving distance from Atascadero, CA to San Bernardino, CA is about 274.6 miles (441.9 km), with a travel time of about 04h 44m by car.
- The straight-line flight distance is about 214.2 miles (344.8 km).
- For a round trip, plan for roughly 09h 28m 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 44m.
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.
The most populous city in Ventura County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Atascadero and San Bernardino.
Turn-by-Turn Driving Directions
Step-by-step road directions between Atascadero and San Bernardino.
-
1
Start on El Camino Real
30 m · 6 sec · El Camino Real
-
2
Turn right onto Traffic Way
131 m · 17 sec · Traffic Way
-
3
Take the ramp left toward US 101 South
676 ft · 16 sec
-
4
Merge slight left onto El Camino Real
16.7 mi · 19 min · El Camino Real
-
5
Continue on Cabrillo Highway
11.8 mi · 14 min · Cabrillo Highway
-
6
Continue on El Camino Real
44.8 mi · 52 min · El Camino Real
-
7
Take the exit slight right toward CA 154: Los Olivos, Lake Cachuma
1266 ft · 39 sec
-
8
Turn left onto Chumash Highway
6.4 mi · 10 min · Chumash Highway
-
9
Enter the roundabout and take exit 2 toward Chumash Highway
39 m · 2 sec · Chumash Highway
-
10
Exit the roundabout onto Chumash Highway
2.2 mi · 3 min · Chumash Highway
-
11
Enter the roundabout and take exit 2 toward Chumash Highway
35 m · 2 sec · Chumash Highway
-
12
Exit the roundabout onto Chumash Highway
23.9 mi · 33 min · Chumash Highway
-
13
Take the ramp slight left toward US 101 South
1206 ft · 32 sec
-
14
Merge slight left onto El Camino Real
17 mi · 20 min · El Camino Real
-
15
Continue on Ventura Freeway
70.5 mi · 1 hr 21 min · Ventura Freeway
-
16
Keep slight left to continue on Ventura Freeway
1.5 km · 1 min · Ventura Freeway
-
17
Keep slight right to continue on Ventura Freeway
1.4 mi · 2 min · Ventura Freeway
-
18
Keep slight right to continue on Ventura Freeway
1.6 km · 1 min · Ventura Freeway
-
19
Keep slight right to continue on Ventura Freeway
1.6 km · 1 min · Ventura Freeway
-
20
Keep slight right to continue on Ventura Freeway
2.2 mi · 3 min · Ventura Freeway
-
21
Keep slight right to continue on Ventura Freeway
1.2 km · 51 sec · Ventura Freeway
-
22
Keep slight right to continue on Ventura Freeway
7.2 mi · 8 min · Ventura Freeway
-
23
Merge slight right onto Foothill Freeway
17.9 mi · 21 min · Foothill Freeway
-
24
Keep slight right to continue on Foothill Freeway
2.9 mi · 3 min · Foothill Freeway
-
25
Keep slight right to continue on Foothill Freeway
1.4 mi · 2 min · Foothill Freeway
-
26
Keep slight right to continue on Foothill Freeway
1.2 mi · 1 min · Foothill Freeway
-
27
Keep slight right to continue on Foothill Freeway
1.8 mi · 2 min · Foothill Freeway
-
28
Keep slight right to continue on Foothill Freeway
22.8 mi · 26 min · Foothill Freeway
-
29
Take the exit slight right toward I 215: Barstow, Riverside
1209 ft · 29 sec
-
30
Keep slight right to continue on I 215 South: Riverside
3196 ft · 1 min
-
31
Merge slight left onto Barstow Freeway
1033 ft · 14 sec · Barstow Freeway
-
32
Continue on San Bernardino Freeway
1.8 mi · 2 min · San Bernardino Freeway
-
33
Take the exit slight right toward CA 66 West: 5th Street, Civic Center
1873 ft · 53 sec
-
34
Turn left onto West 5th Street
1.2 km · 2 min · West 5th Street
-
35
Arrive at your destination
0 m · 1 sec · West 5th Street
Car Route Details
A richer read on the saved driving route between Atascadero and San Bernardino.
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
Continue on Ventura Freeway
70.5 mi · 01h 21m
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 Atascadero and Mostly Sunny near San Bernardino.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Atascadero to San Bernardino?
The road trip is about 274.6 miles (441.9 km) and usually takes 04h 44m 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?
Ventura is a useful midpoint, sitting about 130.2 miles from Atascadero and 144.3 miles from San Bernardino.
How much longer is the road route than the straight-line distance?
The direct path is about 214.2 miles (344.8 km), while the road route adds roughly 60.4 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 7:32 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $55.90 one way or $111.80 round trip. Estimated CO2 is about 86.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Atascadero and Mostly Sunny near San Bernardino.
Stop Ideas Near Ventura
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Motel 6 Carpinteria, CA - Santa Barbara - South
Ventura City Hall (formerly the Ventura County Courthouse - California Historical Landmark #847)
San Buenaventura City Hall
Housing Authority of the City of San Buenaventura ( Section 8 Office)
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Ventura.
Ventura
Oxnard Transportation Center
Santa Paula, California
Carpinteria station
Flight Path Map
This map shows the direct air route between Atascadero and San Bernardino. Straight-line distance: 214.23 mi (344.77 km).
#1 Atascadero
City in California, USA
| Population | 30,254 |
| Coordinates | 35.4894200, -120.6707300 |
| Altitude | 268 |
| Country | United States |
#2 San Bernardino
The second most populous city in San Bernardino County, California.
| Population | 217,491 |
| Coordinates | 34.1083400, -117.2897700 |
| Altitude | 321 |
| Country | United States |
End: West 5th Street (-117.289794, 34.108326)
Estimated Travel Time
Distance: 442 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 08m |
| 40 mph (64.37 km/h) | 06h 51m |
| 50 mph (80.47 km/h) | 05h 29m |
| 60 mph (96.56 km/h) | 04h 34m |
| 70 mph (112.65 km/h) | 03h 55m |
| 80 mph (129 km/h) | 03h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $55.90 | $111.80 |
| Mid-grade | $6.07 | $58.78 | $117.56 |
| Premium | $6.24 | $60.49 | $120.99 |
| Diesel | $7.57 | $73.32 | $146.65 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.