How far is San Diego, CA from Rio Del Mar, CA?
The driving distance from San Diego, CA to Rio Del Mar, CA is about 455.8 miles (733.6 km), with a travel time of about 08h 44m by car.
- The straight-line flight distance is about 397.9 miles (640.4 km).
- For a round trip, plan for roughly 17h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 08h 44m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Monterey County, California, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between San Diego and Rio Del Mar.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Rio Del Mar.
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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
88 m · 12 sec · West Broadway
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3
Turn left onto 1st Avenue
3072 ft · 1 min · 1st Avenue
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4
Take the ramp left toward I 5 North: Los Angeles
1017 ft · 25 sec
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5
Merge slight left onto San Diego Freeway
13.5 mi · 16 min · San Diego Freeway
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6
Keep slight left to continue on San Diego Freeway
36.3 mi · 43 min · San Diego Freeway
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7
Keep slight right to continue on San Diego Freeway
18.1 mi · 21 min · San Diego Freeway
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8
Keep slight left to continue on San Diego Freeway
7.4 mi · 9 min · San Diego Freeway
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9
Keep slight right to continue on Bake Parkway
1.6 mi · 2 min
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10
Keep slight right
6 mi · 7 min
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11
Take the exit slight right toward Jamboree Road
1266 ft · 17 sec
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12
Continue straight
527 ft · 11 sec
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13
Turn right onto Jamboree Road
760 ft · 18 sec · Jamboree Road
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14
Turn left onto El Camino Real
2.2 mi · 5 min · El Camino Real
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15
Turn left onto Newport Avenue
109 m · 14 sec · Newport Avenue
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16
Take the ramp right toward I 5 North: Los Angeles
1127 ft · 17 sec
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17
Merge slight left onto Santa Ana Freeway
1.3 mi · 1 min · Santa Ana Freeway
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18
Keep slight right to continue on Santa Ana Freeway
1.7 mi · 2 min · Santa Ana Freeway
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19
Keep slight right to continue on Santa Ana Freeway
9.4 mi · 11 min · Santa Ana Freeway
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20
Keep slight right to continue on Santa Ana Freeway
18 mi · 21 min · Santa Ana Freeway
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21
Keep slight right to continue on Golden State Freeway
25.5 mi · 30 min · Golden State Freeway
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22
Keep slight left to continue on Golden State Freeway
2.2 mi · 3 min · Golden State Freeway
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23
Keep slight right to continue on I 5 Truck North, CA 14 Truck
1.5 mi · 2 min
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24
Keep slight left
36.1 mi · 42 min
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25
Keep slight left to continue on Golden State Freeway
22.3 mi · 25 min · Golden State Freeway
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26
Keep slight right to continue on Westside Freeway
182.5 mi · 3 hr 16 min · Westside Freeway
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27
Take the exit slight right toward CA 152 West: Gilroy, Hollister, San Jose
1038 ft · 27 sec
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28
Continue straight
28.7 mi · 33 min
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29
Keep slight right
7.4 mi · 10 min
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30
Turn left onto Bloomfield Avenue
3.2 mi · 5 min · Bloomfield Avenue
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31
At the end of the road, turn right onto Bloomfield Avenue
1.4 km · 1 min · Bloomfield Avenue
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32
Take the ramp left
1205 ft · 16 sec
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33
Merge slight left onto South Valley Freeway
2.9 mi · 3 min · South Valley Freeway
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34
Continue on El Camino Real
2.3 mi · 3 min · El Camino Real
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35
Take the exit slight right toward CA 129 West: Watsonville, Santa Cruz
1435 ft · 19 sec
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36
Turn right onto Chittenden Road
2.5 mi · 3 min · Chittenden Road
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37
Continue on Riverside Road
8.6 mi · 12 min · Riverside Road
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38
Enter the roundabout and take exit 2 toward Riverside Road
44 m · 2 sec · Riverside Road
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39
Exit the roundabout onto Riverside Road
1.4 km · 1 min · Riverside Road
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40
Turn right onto Blackburn Street
2243 ft · 1 min · Blackburn Street
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41
At the end of the road, turn left onto East Lake Avenue
2844 ft · 55 sec · East Lake Avenue
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42
Turn right onto Main Street
1560 ft · 30 sec · Main Street
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43
Turn left onto Main Street
1.6 mi · 3 min · Main Street
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44
Take the ramp straight
1260 ft · 31 sec
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45
Merge slight left onto Cabrillo Highway
6.3 mi · 7 min · Cabrillo Highway
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46
Take the exit slight right toward Rio Del Mar Boulevard
780 ft · 19 sec
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47
Keep slight left
38 m · 7 sec
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48
Turn left onto Rio del Mar Boulevard
1.6 km · 2 min · Rio del Mar Boulevard
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49
Arrive at your destination
0 m · 1 sec · Rio del Mar Boulevard
Car Route Details
A richer read on the saved driving route between San Diego and Rio Del Mar.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Westside Freeway
Keep slight right to continue on Westside Freeway
183 mi · 03h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Partly Sunny leaving San Diego and Sunny near Rio Del Mar.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego to Rio Del Mar?
The road trip is about 455.8 miles (733.6 km) and usually takes 08h 44m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Greenfield is a useful midpoint, sitting about 228 miles from San Diego and 227.8 miles from Rio Del Mar.
How much longer is the road route than the straight-line distance?
The direct path is about 397.9 miles (640.4 km), while the road route adds roughly 57.9 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 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $92.82 one way or $185.65 round trip. Estimated CO2 is about 143 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around San Diego and Sunny near Rio Del Mar.
Stop Ideas Near Greenfield
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Greenfield.
Bakersfield
Wasco station
Tehachapi, California
Mojave, California
Flight Path Map
This map shows the direct air route between San Diego and Rio Del Mar. Straight-line distance: 397.93 mi (640.41 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 Rio Del Mar
Census-designated place in Santa Cruz County, California
| Population | 9,216 |
| Coordinates | 36.9682800, -121.9002300 |
| Altitude | 44 |
| Country | United States |
End: Rio Del Mar (-121.90023, 36.96828)
Estimated Travel Time
Distance: 734 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 15h 11m |
| 40 mph (64.37 km/h) | 11h 23m |
| 50 mph (80.47 km/h) | 09h 06m |
| 60 mph (96.56 km/h) | 07h 35m |
| 70 mph (112.65 km/h) | 06h 30m |
| 80 mph (129 km/h) | 05h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $92.82 | $185.65 |
| Mid-grade | $6.07 | $97.60 | $195.20 |
| Premium | $6.24 | $100.45 | $200.90 |
| Diesel | $7.57 | $121.75 | $243.51 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.