How far is Rio Del Mar, CA from Riverside, CA?

The driving distance from Rio Del Mar, CA to Riverside, CA is about 386.7 miles (622.4 km), with a travel time of about 07h 29m by car.

  • The straight-line flight distance is about 328 miles (527.9 km).
  • For a round trip, plan for roughly 14h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
386.73 mi
07h 29m
Flight
328.02 mi
527.89 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Rio Del Mar.

Flight Distance

Direct air line
328.02 mi
Kilometers
527.89 km
Flight Time
00h 39m

Driving Distance

Road route
386.73 mi
Kilometers
622.38 km
Drive Time
07h 29m

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 07h 29m.

Arrival Snapshot
Arrive in Riverside
Thu, Apr 16, 2:02 PM PDT
Return by in Rio Del Mar
Thu, Apr 16, 9:31 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rio Del Mar
2026-04-16T06:33
Arrive Riverside
Thu, Apr 16, 2:02 PM PDT
Route Timing
07h 29m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
1:29 PM to 2:59 PM PDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
9:02 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Rio Del Mar
8:00 PM PDT
Overnight-style route

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Lost Hills
CA

Census-designated place in Kern County, California

From Rio Del Mar
193.4 mi
03h 44m
To Riverside
193.4 mi
03h 44m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
69°F
Thursday

Sunny

Starts
Thu, Apr 16 6:00 AM PDT
Wind
3 to 14 mph NNW
Destination
75°F
Thursday

Patchy Fog then Partly Sunny

Starts
Thu, Apr 16 6:00 AM PDT
Wind
0 to 15 mph NW

Driving Route Map

The map below follows the saved road route between Rio Del Mar and Riverside.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rio Del Mar and Riverside.

  1. 1

    Start on Rio del Mar Boulevard

    1.3 km · 1 min · Rio del Mar Boulevard

  2. 2

    Continue on Rio del Mar Boulevard

    128 m · 8 sec · Rio del Mar Boulevard

  3. 3

    Take the ramp slight right

    1132 ft · 28 sec

  4. 4

    Merge slight left onto Cabrillo Highway

    6.1 mi · 7 min · Cabrillo Highway

  5. 5

    Take the exit slight right toward CA 152: Watsonville, Gilroy

    1 km · 1 min

  6. 6

    Continue on Main Street

    1.4 mi · 2 min · Main Street

  7. 7

    Continue on Main Street

    2286 ft · 52 sec · Main Street

  8. 8

    Turn left onto East Beach Street

    2840 ft · 1 min · East Beach Street

  9. 9

    Turn right onto Blackburn Street

    1572 ft · 52 sec · Blackburn Street

  10. 10

    Turn left onto East Riverside Drive

    68 m · 8 sec · East Riverside Drive

  11. 11

    Continue on Riverside Road

    1.3 km · 1 min · Riverside Road

  12. 12

    Enter the roundabout and take exit 1 toward Riverside Road

    28 m · 1 sec · Riverside Road

  13. 13

    Exit the roundabout onto Riverside Road

    8.6 mi · 12 min · Riverside Road

  14. 14

    Continue on Chittenden Road

    2.6 mi · 4 min · Chittenden Road

  15. 15

    Take the exit slight right

    2444 ft · 31 sec

  16. 16

    Merge slight left onto El Camino Real

    2.4 mi · 3 min · El Camino Real

  17. 17

    Continue on South Valley Freeway

    3.1 mi · 4 min · South Valley Freeway

  18. 18

    Take the exit slight right toward CA 25 East

    1235 ft · 31 sec

  19. 19

    At the end of the road, turn left onto Bloomfield Avenue

    1.1 km · 58 sec · Bloomfield Avenue

  20. 20

    Continue on Bloomfield Avenue

    3.2 mi · 5 min · Bloomfield Avenue

  21. 21

    Turn right onto Pacheco Pass Highway

    35.8 mi · 43 min · Pacheco Pass Highway

  22. 22

    Take the exit slight right toward I 5: Los Angeles

    3148 ft · 1 min

  23. 23

    Merge slight left onto Westside Freeway

    181.1 mi · 3 hr 14 min · Westside Freeway

  24. 24

    Keep slight right

    58.4 mi · 1 hr 7 min

  25. 25

    Keep slight left to continue on Golden State Freeway

    2 mi · 2 min · Golden State Freeway

  26. 26

    Take the exit slight right toward I 210 East: Pasadena

    1347 ft · 18 sec

  27. 27

    Continue on Foothill Freeway

    24.4 mi · 28 min · Foothill Freeway

  28. 28

    Keep slight right to continue on Foothill Freeway

    19.1 mi · 22 min · Foothill Freeway

  29. 29

    Keep slight right to continue on Foothill Freeway

    2476 ft · 33 sec · Foothill Freeway

  30. 30

    Take the exit slight right toward CA 57 South: Santa Ana

    1.4 km · 2 min

  31. 31

    Continue on Orange Freeway

    3.2 mi · 4 min · Orange Freeway

  32. 32

    Take the exit slight right toward CA 71: Corona

    1.1 mi · 2 min

  33. 33

    Continue on Chino Valley Freeway

    3.1 mi · 4 min · Chino Valley Freeway

  34. 34

    Take the exit slight right toward CA 60 East: Riverside

    1.4 mi · 3 min

  35. 35

    Merge slight left onto Pomona Freeway

    12 mi · 14 min · Pomona Freeway

  36. 36

    Take the exit slight right toward Van Buren Boulevard, Etiwanda Avenue

    2448 ft · 1 min

  37. 37

    Turn straight onto Mission Boulevard

    852 ft · 15 sec · Mission Boulevard

  38. 38

    Continue on Van Buren Boulevard

    6.1 mi · 9 min · Van Buren Boulevard

  39. 39

    Turn left onto Central Avenue

    3.6 mi · 6 min · Central Avenue

  40. 40

    Turn sharp right

    52 m · 13 sec

  41. 41

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Rio Del Mar and Riverside.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
41 steps
10 turns on the saved route
Ramps & Exits
16
4 merges, 12 ramps or exits
Navigation Density
10.6 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
239 mi · 62%
Foothill Freeway
44 mi · 11%
Pacheco Pass Highway
35.8 mi · 9%
Pomona Freeway
12 mi · 3%
Riverside Road
9.47 mi · 2%
Van Buren Boulevard
6.52 mi · 2%
Longest Stretch

Westside Freeway

Merge slight left onto Westside Freeway

181 mi · 03h 14m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
07h 29m
Overnight route
Same-Day Return
14h 58m
Round-trip wheel time
Road vs Air
+58.7 mi
328 mi direct line
Halfway Stop
Lost Hills
03h 44m from Rio Del Mar
Leave By
9:02 PM PDT
Overnight-style route
Weather Watch

Sunny leaving Rio Del Mar and Patchy Fog then Partly Sunny near Riverside.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rio Del Mar to Riverside?

The road trip is about 386.7 miles (622.4 km) and usually takes 07h 29m 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?

Lost Hills is a useful midpoint, sitting about 193.4 miles from Rio Del Mar and 193.4 miles from Riverside.

How much longer is the road route than the straight-line distance?

The direct path is about 328 miles (527.9 km), while the road route adds roughly 58.7 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 $78.75 one way or $157.49 round trip. Estimated CO2 is about 121.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Rio Del Mar and Patchy Fog then Partly Sunny near Riverside.

Stop Ideas Near Lost Hills

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Lost Hills, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Lost Hills.

RAIL

Wasco station

33 mi away
700 G Street
BUS

Kettleman City, California

47 mi away
3300 Hubert Way
RAIL

Corcoran station

55 mi away
1099 Otis Ave.
RAIL

Bakersfield

67 mi away
601 Truxtun Ave

Flight Path Map

This map shows the direct air route between Rio Del Mar and Riverside. Straight-line distance: 328.02 mi (527.89 km).

Rio Del Mar

#1 Rio Del Mar

Census-designated place in Santa Cruz County, California

Population9,216
Coordinates36.9682800, -121.9002300
Altitude44
CountryUnited States
Riverside

#2 Riverside

The most populous city in Riverside County, California and the center of the Riverside metropolitan area.

Population330,786
Coordinates33.9533500, -117.3961600
Altitude252
CountryUnited States
Start: Rio Del Mar (-121.90023, 36.96828)
End: Riverside (-117.39616, 33.95335)

Estimated Travel Time

Distance: 622 km by road

SpeedTime
30 mph (48.3 km/h)12h 53m
40 mph (64.37 km/h)09h 40m
50 mph (80.47 km/h)07h 44m
60 mph (96.56 km/h)06h 26m
70 mph (112.65 km/h)05h 31m
80 mph (129 km/h)04h 49m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.65 gal
51.66 L · about $78.75
Round trip
$157.49
27.3 gal · 103.32 L
Estimated CO2
121.3 kg one way
Round trip: 242.6 kg / 535 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $78.75 $157.49
Mid-grade $6.07 $82.80 $165.60
Premium $6.24 $85.22 $170.43
Diesel $7.57 $103.29 $206.58

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

There is no time difference between Rio Del Mar and Riverside. The current time is 06:33:20.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.