How far is San Onofre, CA from Vista, CA?
The driving distance from San Onofre, CA to Vista, CA is about 28.1 miles (45.3 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 22.8 miles (36.7 km).
- For a round trip, plan for roughly 01h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The second most populous city in San Diego County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between San Onofre and Vista.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Onofre and Vista.
-
1
Start on Old Pacific Highway
1.1 km · 1 min · Old Pacific Highway
-
2
Take the ramp right toward I 5 South: San Diego
1320 ft · 32 sec
-
3
Merge slight left onto San Diego Freeway
19.9 mi · 23 min · San Diego Freeway
-
4
Take the exit slight right toward CA 78 East: Escondido, Vista Way
907 ft · 31 sec
-
5
Keep slight right to continue on CA 78 East: Vista, Escondido
127 m · 18 sec
-
6
Continue on Ronald Packard Parkway
6 mi · 7 min · Ronald Packard Parkway
-
7
Take the exit slight right toward Vista Village Drive
1157 ft · 32 sec
-
8
Turn left onto Vista Village Drive
1.1 km · 1 min · Vista Village Drive
-
9
Turn right onto North Santa Fe Avenue
87 m · 7 sec · North Santa Fe Avenue
-
10
Continue on South Santa Fe Avenue
633 ft · 11 sec · South Santa Fe Avenue
-
11
Arrive at your destination
0 m · 1 sec · South Santa Fe Avenue
Car Route Details
A richer read on the saved driving route between San Onofre and Vista.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
San Diego Freeway
Merge slight left onto San Diego Freeway
19.9 mi · 00h 23m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving San Onofre and Sunny near Vista.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Onofre to Vista?
The road trip is about 28.1 miles (45.3 km) and usually takes 00h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Oceanside is a useful midpoint, sitting about 14 miles from San Onofre and 14.1 miles from Vista.
How much longer is the road route than the straight-line distance?
The direct path is about 22.8 miles (36.7 km), while the road route adds roughly 5.3 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:28 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.20 one way or $12.40 round trip. Estimated CO2 is about 8.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around San Onofre and Sunny near Vista.
Stop Ideas Near Oceanside
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Kate Stanton Inn Encinitas
Omni La Costa Resort & Spa
Aviara Golf Club
Grand Pacific Palisades Resort
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Oceanside.
Oceanside Transit Center
Carlsbad Village station
Carlsbad Poinsettia, CA
Encinitas, CA
Flight Path Map
This map shows the direct air route between San Onofre and Vista. Straight-line distance: 22.83 mi (36.74 km).
#1 San Onofre
Located on the Pacific coast of northern San Diego County at an elevation of roughly 30 feet, this area features rugged coastal bluffs overlooking San Onofre State Beach.
| Population | 0 |
| Coordinates | 33.3811400, -117.5731000 |
| Altitude | 9 |
| Country | United States |
#2 Vista
The most populous city in San Diego County, California.
| Population | 100,636 |
| Coordinates | 33.2000400, -117.2425400 |
| Altitude | 100 |
| Country | United States |
End: South Santa Fe Avenue (-117.24233, 33.200173)
Estimated Travel Time
Distance: 45 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 56m |
| 40 mph (64.37 km/h) | 00h 42m |
| 50 mph (80.47 km/h) | 00h 33m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $6.26 | $6.20 | $12.40 |
| Mid-grade | $6.50 | $6.43 | $12.87 |
| Premium | $6.69 | $6.62 | $13.24 |
| Diesel | $8.41 | $8.33 | $16.66 |
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