How far is Quincy, CA from San Diego, CA?
The driving distance from Quincy, CA to San Diego, CA is about 642.9 miles (1034.7 km), with a travel time of about 11h 22m by car.
- The straight-line flight distance is about 541.4 miles (871.3 km).
- For a round trip, plan for roughly 22h 44m 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 11h 22m.
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.
Small city in Fresno County, California
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Quincy and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Quincy and San Diego.
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1
Start on Railway Avenue
88 m · 20 sec · Railway Avenue
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2
Turn left onto Lawrence Street
998 ft · 32 sec · Lawrence Street
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3
Turn slight right onto Crescent Street
1776 ft · 46 sec · Crescent Street
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4
Continue on State Highway 70
9.7 mi · 14 min · State Highway 70
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5
Continue on Feather River Highway
23.3 mi · 35 min · Feather River Highway
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6
Turn straight onto Feather River Highway
56.8 mi · 1 hr 14 min · Feather River Highway
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7
Continue straight
11.1 mi · 13 min
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8
Continue straight
1.5 mi · 3 min
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9
Turn right onto 5th Street
1272 ft · 31 sec · 5th Street
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10
Turn left onto E Street
4.2 mi · 5 min · E Street
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11
Keep slight right
17.5 mi · 20 min
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12
Merge slight left onto Bernie Richter Memorial Highway
4.9 mi · 6 min · Bernie Richter Memorial Highway
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13
Continue on Golden State Highway
7.7 mi · 9 min · Golden State Highway
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14
Merge slight left onto Westside Freeway
66.3 mi · 1 hr 14 min · Westside Freeway
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15
Keep slight left to continue on Westside Freeway
1.2 km · 49 sec · Westside Freeway
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16
Keep slight left to continue on Westside Freeway
236.6 mi · 4 hr 14 min · Westside Freeway
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17
Keep slight right
58.4 mi · 1 hr 7 min
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18
Keep slight left to continue on Golden State Freeway
4.1 mi · 5 min · Golden State Freeway
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19
Keep slight right to continue on I 405 South
1354 ft · 18 sec
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20
Keep slight left
24.7 mi · 29 min
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21
Keep slight left to continue on Golden State Freeway
1.3 mi · 2 min · Golden State Freeway
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22
Merge slight left onto Santa Ana Freeway
25.7 mi · 30 min · Santa Ana Freeway
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23
Keep slight right to continue on Santa Ana Freeway
1241 ft · 16 sec · Santa Ana Freeway
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24
Take the exit slight right toward Broadway, Main Street, Santa Ana
1.3 km · 57 sec
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25
Keep slight left
788 ft · 10 sec
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26
Keep slight left to continue on I 5 South
981 ft · 13 sec
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27
Merge slight left onto Santa Ana Freeway
1.3 km · 54 sec · Santa Ana Freeway
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28
Keep slight right to continue on Santa Ana Freeway
1.2 km · 52 sec · Santa Ana Freeway
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29
Keep slight right to continue on Santa Ana Freeway
1.2 mi · 1 min · Santa Ana Freeway
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30
Take the exit slight right toward Newport Avenue
1.2 km · 1 min
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31
Turn right onto Newport Avenue
1943 ft · 44 sec · Newport Avenue
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32
Turn left onto Walnut Avenue
2.2 mi · 4 min · Walnut Avenue
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33
Turn left onto Jamboree Road
2595 ft · 38 sec · Jamboree Road
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34
Take the exit slight right toward I 5 South
1479 ft · 21 sec
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35
Merge slight left onto Santa Ana Freeway
5.5 mi · 6 min · Santa Ana Freeway
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36
Keep slight left to continue on Santa Ana Freeway
1.3 km · 56 sec · Santa Ana Freeway
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37
Merge slight right onto San Diego Freeway
76.5 mi · 1 hr 29 min · San Diego Freeway
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38
Take the exit slight right toward Front Street, Civic Center, 2nd Avenue
1164 ft · 28 sec
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39
Keep slight right to continue on Front Street, Civic Center
592 ft · 15 sec
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40
Continue on Front Street
2662 ft · 2 min · Front Street
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41
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between Quincy and San Diego.
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 left to continue on Westside Freeway
237 mi · 04h 14m
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.
Clear leaving Quincy and Sunny near San Diego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Quincy to San Diego?
The road trip is about 642.9 miles (1034.7 km) and usually takes 11h 22m 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?
Huron is a useful midpoint, sitting about 322.7 miles from Quincy and 320.3 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 541.4 miles (871.3 km), while the road route adds roughly 101.5 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 $142.06 one way or $284.12 round trip. Estimated CO2 is about 201.6 kg one way.
What should you check before leaving?
Before you leave, expect Clear around Quincy and Sunny near San Diego.
Stop Ideas Near Huron
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 Huron.
Lemoore (Naval Air Station), California
Kettleman City, California
Lemoore, California
Hanford station
Flight Path Map
This map shows the direct air route between Quincy and San Diego. Straight-line distance: 541.38 mi (871.26 km).
#1 Quincy
Located within the Sierra Nevada at an elevation of 3,432 feet, this Plumas County census-designated place serves as the county seat.
| Population | 0 |
| Coordinates | 39.9368200, -120.9464700 |
| Altitude | 1046 |
| Country | United States |
#2 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 |
End: Front Street (-117.164717, 32.71571)
Estimated Travel Time
Distance: 1035 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 21h 25m |
| 40 mph (64.37 km/h) | 16h 04m |
| 50 mph (80.47 km/h) | 12h 51m |
| 60 mph (96.56 km/h) | 10h 42m |
| 70 mph (112.65 km/h) | 09h 11m |
| 80 mph (129 km/h) | 08h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $6.26 | $142.06 | $284.12 |
| Mid-grade | $6.50 | $147.46 | $294.92 |
| Premium | $6.69 | $151.77 | $303.55 |
| Diesel | $8.41 | $190.89 | $381.78 |
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