How far is Larkspur, CA from Riverside, CA?

The driving distance from Larkspur, CA to Riverside, CA is about 448.1 miles (721.1 km), with a travel time of about 07h 12m by car.

  • The straight-line flight distance is about 397.7 miles (640.1 km).
  • For a round trip, plan for roughly 14h 25m 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
448.1 mi
07h 12m
Flight
397.72 mi
640.07 km direct

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

Learn Distance

Choose another destination from Larkspur.

Flight Distance

Direct air line
397.72 mi
Kilometers
640.07 km
Flight Time
00h 48m

Driving Distance

Road route
448.1 mi
Kilometers
721.15 km
Drive Time
07h 12m

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 12m.

Arrival Snapshot
Arrive in Riverside
Thu, Apr 23, 1:31 AM PDT
Return by in Larkspur
Thu, Apr 23, 8:44 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Larkspur
2026-04-22T18:18
Arrive Riverside
Thu, Apr 23, 1:31 AM PDT
Route Timing
07h 12m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
1:13 PM to 2:43 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
9:34 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Larkspur
8:00 PM PDT
Overnight-style route

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.

Mid-route stop
Kettleman City
CA

Census-designated place in Kings County, California

From Larkspur
221.8 mi
03h 36m
To Riverside
226.3 mi
03h 36m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Wednesday

Chance Light Rain

Starts
Wed, Apr 22 6:00 AM PDT
Wind
2 to 6 mph WSW
Destination
72°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM PDT
Wind
5 to 15 mph W

Driving Route Map

The map below follows the saved road route between Larkspur and Riverside.

Turn-by-Turn Driving Directions

Step-by-step road directions between Larkspur and Riverside.

  1. 1

    Start on King Street

    43 m · 6 sec · King Street

  2. 2

    Turn right onto Magnolia Avenue

    1.2 km · 2 min · Magnolia Avenue

  3. 3

    Turn right onto Bon Air Road

    1.1 km · 2 min · Bon Air Road

  4. 4

    Turn right onto Sir Francis Drake Boulevard

    1.5 km · 2 min · Sir Francis Drake Boulevard

  5. 5

    Continue on Sir Francis Drake Boulevard

    1.6 mi · 3 min · Sir Francis Drake Boulevard

  6. 6

    Take the ramp straight toward I 580 East

    1740 ft · 27 sec

  7. 7

    Merge slight left onto John T. Knox Freeway

    11.6 mi · 14 min · John T. Knox Freeway

  8. 8

    Merge slight left onto Eastshore Freeway

    3.8 mi · 5 min · Eastshore Freeway

  9. 9

    Keep slight left to continue on Interstate Highway 80

    1321 ft · 21 sec · Interstate Highway 80

  10. 10

    Keep slight left to continue on MacArthur Freeway

    16.4 mi · 19 min · MacArthur Freeway

  11. 11

    Merge slight left onto Arthur H. Breed Junior Freeway

    11.5 mi · 13 min · Arthur H. Breed Junior Freeway

  12. 12

    Keep slight right to continue on Arthur H. Breed Junior Freeway

    17.8 mi · 21 min · Arthur H. Breed Junior Freeway

  13. 13

    Keep slight right to continue on William Elton Brown Freeway

    11.1 mi · 12 min · William Elton Brown Freeway

  14. 14

    Keep slight left to continue on William Elton Brown Freeway

    5.9 mi · 6 min · William Elton Brown Freeway

  15. 15

    Merge slight left onto Westside Freeway

    224.4 mi · 4 hr · Westside Freeway

  16. 16

    Keep slight right

    58.4 mi · 1 hr 7 min

  17. 17

    Keep slight left to continue on Golden State Freeway

    2 mi · 2 min · Golden State Freeway

  18. 18

    Take the exit slight right toward I 210 East: Pasadena

    1347 ft · 18 sec

  19. 19

    Continue on Foothill Freeway

    24.4 mi · 28 min · Foothill Freeway

  20. 20

    Keep slight right to continue on Foothill Freeway

    19.1 mi · 22 min · Foothill Freeway

  21. 21

    Keep slight right to continue on Foothill Freeway

    2476 ft · 33 sec · Foothill Freeway

  22. 22

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

    1.4 km · 2 min

  23. 23

    Continue on Orange Freeway

    3.2 mi · 4 min · Orange Freeway

  24. 24

    Take the exit slight right toward CA 71: Corona

    1.1 mi · 2 min

  25. 25

    Continue on Chino Valley Freeway

    3.1 mi · 4 min · Chino Valley Freeway

  26. 26

    Take the exit slight right toward CA 60 East: Riverside

    1.4 mi · 3 min

  27. 27

    Merge slight left onto Pomona Freeway

    12 mi · 14 min · Pomona Freeway

  28. 28

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

    2448 ft · 1 min

  29. 29

    Turn straight onto Mission Boulevard

    852 ft · 15 sec · Mission Boulevard

  30. 30

    Continue on Van Buren Boulevard

    6.1 mi · 9 min · Van Buren Boulevard

  31. 31

    Turn left onto Central Avenue

    3.6 mi · 6 min · Central Avenue

  32. 32

    Turn sharp right

    52 m · 13 sec

  33. 33

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Larkspur 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
33 steps
6 turns on the saved route
Ramps & Exits
11
5 merges, 6 ramps or exits
Navigation Density
7.4 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
283 mi · 63%
Foothill Freeway
44 mi · 10%
Arthur H. Breed Junior Freeway
29.3 mi · 7%
William Elton Brown Freeway
17 mi · 4%
MacArthur Freeway
16.4 mi · 4%
Pomona Freeway
12 mi · 3%
Longest Stretch

Westside Freeway

Merge slight left onto Westside Freeway

224 mi · 04h 00m

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 12m
Overnight route
Same-Day Return
14h 26m
Round-trip wheel time
Road vs Air
+50.4 mi
397.7 mi direct line
Halfway Stop
Kettleman City
03h 36m from Larkspur
Leave By
9:34 PM PDT
Overnight-style route
Weather Watch

Chance Light Rain leaving Larkspur and Mostly Sunny near Riverside.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Larkspur to Riverside?

The road trip is about 448.1 miles (721.1 km) and usually takes 07h 12m 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?

Kettleman City is a useful midpoint, sitting about 221.8 miles from Larkspur and 226.3 miles from Riverside.

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

The direct path is about 397.7 miles (640.1 km), while the road route adds roughly 50.4 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 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 $91.21 one way or $182.42 round trip. Estimated CO2 is about 140.5 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Rain around Larkspur and Mostly Sunny near Riverside.

Stop Ideas Near Kettleman City

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

Mid-route Guidance
Local place coverage is thin around Kettleman City, 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 Kettleman City.

BUS

Kettleman City, California

3 mi away
3300 Hubert Way
BUS

Lemoore, California

34 mi away
300 E Street
RAIL

Corcoran station

38 mi away
1099 Otis Ave.
BUS

Lemoore (Naval Air Station), California

41 mi away
25th Ave and Highway 198

Flight Path Map

This map shows the direct air route between Larkspur and Riverside. Straight-line distance: 397.72 mi (640.07 km).

Larkspur

#1 Larkspur

City in California

Population12,236
Coordinates37.9340900, -122.5352500
Altitude13
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: King Street (-122.535233, 37.934101)
End: (-117.396162, 33.953244)

Estimated Travel Time

Distance: 721 km by road

SpeedTime
30 mph (48.3 km/h)14h 55m
40 mph (64.37 km/h)11h 12m
50 mph (80.47 km/h)08h 57m
60 mph (96.56 km/h)07h 28m
70 mph (112.65 km/h)06h 24m
80 mph (129 km/h)05h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.81 gal
59.86 L · about $91.21
Round trip
$182.42
31.62 gal · 119.72 L
Estimated CO2
140.5 kg one way
Round trip: 281 kg / 619 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $91.21 $182.42
Mid-grade $6.07 $95.90 $191.81
Premium $6.24 $98.70 $197.40
Diesel $7.57 $119.63 $239.27

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

There is no time difference between Larkspur and Riverside. The current time is 18:18:35.

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.