The drive from Riverside, CA to Grass Valley, CA covers 491.9 miles and takes about 9h 18m behind the wheel.
It usually feels better as a 2-day road trip than as one long push.
The route leans on Westside Freeway, Foothill Freeway, I 5 Truck for much of the mileage,
and the overall profile is mostly highway.
The longest uninterrupted segment is about 297.1 miles on Westside Freeway.
At current regular gas prices, budget about $109.05 one way before food or hotel costs.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
246 miles from Riverside, CA
A natural place for your longest stop of the day
, about 4h 41m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
297.1 mi
5h 20m
Foothill Freeway
43.9 mi
50m
I 5 Truck
37.1 mi
42m
Golden State Freeway
22.3 mi
25m
Alan S. Hart Freeway
16.9 mi
19m
State Highway 49
14.8 mi
19m
Pomona Freeway
12.1 mi
13m
Capital City Freeway
10.6 mi
11m
Longest stretch:
Westside Freeway
— 297.1 mi, about 5h 20m
Traffic on I-5
Hour-of-day weekday pattern from 330 FHWA count stations on your route.
Peak
4 PM
~3,538 veh/hr typical
· worst 5,004
Quietest
2 AM
~518 veh/hr
Peak-to-quiet ratio
6.8×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 89 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Riverside, CA and Grass Valley, CA.
1
Start on this road
181 ft·13 sec·this road
2
Turn right
94 ft·7 sec
3
Turn right onto Magnolia Avenue
228 ft·14 sec·Magnolia Avenue
4
Turn left onto Central Avenue
3.5 mi·6 min·Central Avenue
Use the left lane.
5
Turn right onto Van Buren Boulevard
6.1 mi·8 min·Van Buren Boulevard
Use the right lane.
6
Continue on Mission Boulevard
0.3 mi·24 sec·Mission Boulevard
Use the straight lane.
7
Take the ramp
0.3 mi·41 sec
Toward CA 60 West
8
Merge onto CA 60
12 mi·13 min·Pomona Freeway
Use the straight / slight right lanes.
9
Take the exit
0.2 mi·29 sec
Exit 29BToward CA 71 South, CA 71 North: Corona, PomonaUse the straight / slight right lanes.
10
Keep slight right at fork
0.5 mi·1 min
Toward CA 71 North: PomonaUse the slight right lane.
11
Keep slight left at fork
0.2 mi·19 sec
Use the straight / slight right lanes.
12
Merge onto CA 71
3.5 mi·4 min·Chino Valley Freeway
Use the straight / slight right lanes.
13
Keep slight left at fork
0.7 mi·1 min
Toward CA 57 North
14
Continue on CA 57
3.4 mi·3 min·CA 57
Use the straight / slight right lanes.
15
Keep slight left at fork
1.1 mi·2 min
Exit 25CToward I 210 West: Pasadena
16
Merge onto I 210
18 mi·21 min·Foothill Freeway
Use the straight / slight right lanes.
17
Keep slight right at fork onto I 210
26 mi·29 min·Foothill Freeway
Exit 26AToward I 210 West: SacramentoUse the straight / slight right lanes.
18
Keep slight right at fork
0.1 mi·9 sec
Use the slight right lane.
19
Merge onto I 5 Truck
1.0 mi·1 min·I 5 Truck
Exit 161A
20
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
21
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
22
Keep slight right at fork onto I 5
226 mi·4 hr 1 min·Westside Freeway
Toward I 5 NorthUse the straight / slight right lanes.
23
Keep slight right at fork onto I 5
26 mi·27 min·Westside Freeway
24
Keep left at fork onto I 5
46 mi·50 min·Westside Freeway
Use the straight / slight right lanes.
25
Take the exit
0.2 mi·12 sec
Exit 518Toward US 50, I 80 East: San Francisco, South Lake TahoeUse the slight right lane.
26
Keep slight right at fork
0.2 mi·12 sec
Exit 518Toward US 50 East, I 80 Business East: South Lake Tahoe, BroadwayUse the slight right lane.
27
Keep slight left at fork
0.7 mi·1 min
Exit 518Toward US 50 East, I 80 East: South Lake TahoeUse the straight / slight right lanes.
28
Merge onto US 50; I 80 Business
1.2 mi·1 min·Capital City Freeway
29
Keep slight right at fork onto I 80 Business
9.4 mi·10 min·Capital City Freeway
Toward I 80 Business East, CA 99 South: Reno, FresnoUse the slight right lane.
30
Continue on I 80
7.0 mi·8 min·Dwight D. Eisenhower Highway
Use the straight / slight right lanes.
31
Continue on I 80
17 mi·19 min·Alan S. Hart Freeway
Use the straight / slight right lanes.
32
Take the exit
0.2 mi·30 sec
Exit 119BToward CA 49 North: Grass Valley, PlacervilleUse the slight right lane.
33
Turn left onto CA 49
5.8 mi·9 min·Grass Valley Highway
Use the left / straight lanes.
34
Enter roundabout onto CA 49
117 ft·3 sec·Grass Valley Highway
35
Continue on CA 49
1.3 mi·1 min·Grass Valley Highway
36
Enter roundabout onto CA 49
117 ft·3 sec·Grass Valley Highway
37
Continue on CA 49
1.1 mi·1 min·Grass Valley Highway
38
Continue on CA 49
15 mi·19 min·State Highway 49
Use the straight lane.
39
Take the exit
0.2 mi·14 sec
Toward CA 174
40
Keep slight left at fork
167 ft·5 sec
Toward CA 174
41
Turn left onto South Auburn Street
0.2 mi·33 sec·South Auburn Street
42
Turn right onto East Main Street
342 ft·9 sec·East Main Street
43
Turn right onto Stewart Street
117 ft·5 sec·Stewart Street
44
Arrive at destination
Stewart Street
Trip Plan
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 246 miles from Riverside, CA, or about 4h 41m into the drive.
The longest continuous stretch on this route runs about 297.1 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 108 miles or 2h 12m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 246 miles or 4h 41m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 246 miles or 4h 41m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 8h 3m
Traffic, exits, and arrival timing usually matter more near Grass Valley, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Riverside, CA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Riverside, CA
Aim for roughly 246 miles and 4.7 hours of wheel time on this day.
Day 2
Finish the approach into Grass Valley, CA
Aim for roughly 246 miles and 4.7 hours of wheel time on this day.
Your first comfortable stop window is around 108 miles from Riverside, CA.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on Westside Freeway for about 297.1 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 35
5 decision points cluster between mile 22.4 and 432.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
22.4 mi into trip|~30m in
Take the exit toward CA 71 South, CA 71 North: Corona, Pomona
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 29B
Toward CA 71 South, CA 71 North: Corona, Pomona
8
50.4 mi into trip|~1h 5m in|I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward I 210 West: Sacramento
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 26A
Toward I 210 West: Sacramento
8
432.6 mi into trip|~8h 3m in
Take the exit toward US 50, I 80 East: San Francisco, South Lake Tahoe
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 518
Toward US 50, I 80 East: San Francisco, South L...
10
432.8 mi into trip|~8h 4m in
Keep slight right at fork toward US 50 East, I 80 Business East: South Lake Tahoe, Broadway
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 518
Toward US 50 East, I 80 Business East: South La...
9
432.9 mi into trip|~8h 4m in
Keep slight left at fork toward US 50 East, I 80 East: South Lake Tahoe
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 518
Toward US 50 East, I 80 East: South Lake Tahoe
Fuel & Cost
Regular Gas
$109.05 one way
$218.10 round trip
$5.63/gal25.4 MPG avg172 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.81
$112.54
$225.07
premium
$5.98
$115.87
$231.74
diesel
$5.60
$108.43
$216.86
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$109
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$239–$349
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 172.1 kg one way.
Prices: EIA weekly data, 2026-08-31.
Driving Electric?
About $52 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
147.6
1
$51.65
$23.61
Efficient EV
123
1
$43.04
$19.68
EV Truck/SUV
196.8
2
$68.87
$31.48
Gas CO2
172 kg
EV CO2
58 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Sep 2, 2026
Origin
Riverside, CA
Late night
in Riverside on Friday
Local time
4:08 AM
PDT
Current temp
88°F
Sunny
W 10 to 15 mph0% chanceLive forecast
Wind Advisory
Wind Advisory issued September 2 at 12:35PM PDT until September 3 at 6:00AM PDT by NWS Los Angeles/Oxnard CA
Wind Advisory
Wind Advisory issued September 2 at 1:48AM PDT until September 2 at 8:00PM PDT by NWS Eureka CA
Destination
Grass Valley, CA
Late night
in Grass Valley on Friday
Local time
4:08 AM
PDT
Current temp
69°F
Mostly Sunny
SSW 7 mph2% chanceLive forecast
Wind Advisory
Wind Advisory issued September 2 at 12:35PM PDT until September 3 at 6:00AM PDT by NWS Los Angeles/Oxnard CA
Wind Advisory
Wind Advisory issued September 2 at 1:48AM PDT until September 2 at 8:00PM PDT by NWS Eureka CA
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
19 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
9h 18m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
491.9 mi in 9h 18m, mostly highway — 297.1 mi of that is on Westside Freeway.
94% highway — fuel and pacing are the main things to plan.
44 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 297.1 mi on Westside Freeway.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on Westside Freeway and Foothill Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 22.4 miles in.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 35 significant decision points across 491.9 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 22.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 50.4 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 432.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Hilly terrain with moderate elevation changes
2,770 ft18 ft
Total Climb
4,945 ft
Total Descent
3,361 ft
Highest Point
2,770 ft
~105.4 mi in
Elevation Range
2,752 ft
Notable High Points
2,770 ft at ~105.4 miles+1,566 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Riverside, CA and Grass Valley, CA, road signs point toward Lake Tahoe, Broadway and Fresno.
Riverside is a city in Riverside County in California. With a population of over 300,000, the city plays host to a diverse cross-section of people and has a rich history. Riverside is approximately 55 miles east of downtown Los Angeles. It is a center for higher education, with one community college, a large state university, and two private universities. A hub of regional commerce and transportation, it is a city with an intriguing past and a promising future, and is worth a visit.
Top landmarks
•Mission Inn — hotel in Riverside, California
•Universalist Unitarian Church of Riverside — church building in Riverside, California, USA
•First Congregational Church of Riverside — church building in Riverside, California, United States of America
The longest stretch is about 297.1 miles on Westside Freeway. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 246 miles on day one.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Grass Valley, CA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 22.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 50.4 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 432.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Not recommended in a single day. At 9.3 hours each way, a round trip means 18.6 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Grass Valley, CA before the return drive.
