How far is Greenfield, CA from San Diego, CA?
The driving distance from Greenfield, CA to San Diego, CA is about 229.7 miles (369.6 km), with a travel time of about 03h 36m by car.
- The straight-line flight distance is about 205.4 miles (330.6 km).
- For a round trip, plan for roughly 07h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 36m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
A city in Los Angeles County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Greenfield and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greenfield and San Diego.
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1
Start on the route
11 m · 5 sec
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2
Turn right onto South Union Avenue
590 ft · 15 sec · South Union Avenue
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3
Continue on South Union Avenue
6.7 mi · 9 min · South Union Avenue
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4
Take the ramp straight toward 99
2861 ft · 35 sec
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5
Merge slight left onto Golden State Freeway
10.5 mi · 11 min · Golden State Freeway
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6
Keep slight left to continue on Golden State Freeway
58.2 mi · 1 hr 7 min · Golden State Freeway
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7
Keep slight left to continue on Golden State Freeway
4.1 mi · 5 min · Golden State Freeway
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8
Keep slight right to continue on I 405 South
1354 ft · 18 sec
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9
Keep slight left
24.7 mi · 29 min
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10
Keep slight left to continue on Golden State Freeway
1.3 mi · 2 min · Golden State Freeway
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11
Merge slight left onto Santa Ana Freeway
25.7 mi · 30 min · Santa Ana Freeway
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12
Keep slight right to continue on Santa Ana Freeway
1241 ft · 16 sec · Santa Ana Freeway
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13
Take the exit slight right toward Broadway, Main Street, Santa Ana
1.3 km · 57 sec
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14
Keep slight left
788 ft · 10 sec
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15
Keep slight left to continue on I 5 South
981 ft · 13 sec
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16
Merge slight left onto Santa Ana Freeway
1.3 km · 54 sec · Santa Ana Freeway
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17
Keep slight right to continue on Santa Ana Freeway
1.2 km · 52 sec · Santa Ana Freeway
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18
Keep slight right to continue on Santa Ana Freeway
1.2 mi · 1 min · Santa Ana Freeway
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19
Take the exit slight right toward Newport Avenue
1.2 km · 1 min
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20
Turn right onto Newport Avenue
1943 ft · 44 sec · Newport Avenue
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21
Turn left onto Walnut Avenue
2.2 mi · 4 min · Walnut Avenue
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22
Turn left onto Jamboree Road
2595 ft · 38 sec · Jamboree Road
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23
Take the exit slight right toward I 5 South
1479 ft · 21 sec
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24
Merge slight left onto Santa Ana Freeway
5.5 mi · 6 min · Santa Ana Freeway
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25
Keep slight left to continue on Santa Ana Freeway
1.3 km · 56 sec · Santa Ana Freeway
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26
Merge slight right onto San Diego Freeway
76.5 mi · 1 hr 29 min · San Diego Freeway
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27
Take the exit slight right toward Front Street, Civic Center, 2nd Avenue
1164 ft · 28 sec
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28
Keep slight right to continue on Front Street, Civic Center
592 ft · 15 sec
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29
Continue on Front Street
2662 ft · 2 min · Front Street
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30
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between Greenfield and San Diego.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
San Diego Freeway
Merge slight right onto San Diego Freeway
76.5 mi · 01h 29m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Clear leaving Greenfield and Mostly Sunny near San Diego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greenfield to San Diego?
The road trip is about 229.7 miles (369.6 km) and usually takes 03h 36m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Bell Gardens is a useful midpoint, sitting about 112.1 miles from Greenfield and 117.6 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 205.4 miles (330.6 km), while the road route adds roughly 24.3 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 9:46 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.73 one way or $93.46 round trip. Estimated CO2 is about 72 kg one way.
What should you check before leaving?
Before you leave, expect Clear around Greenfield and Mostly Sunny near San Diego.
Stop Ideas Near Bell Gardens
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bell Gardens Inn Los Angeles
City of South El Monte City Hall
City of Los Angeles
City Of El Monte Public Works Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bell Gardens.
Los Angeles Union Station
Torrance, CA
Glendale Transportation Center
Pasadena, California
Flight Path Map
This map shows the direct air route between Greenfield and San Diego. Straight-line distance: 205.43 mi (330.61 km).
#1 Greenfield
City in Monterey County, California, United States
| Population | 17,644 |
| Coordinates | 35.2688500, -119.0028800 |
| Altitude | 107 |
| 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: 370 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 39m |
| 40 mph (64.37 km/h) | 05h 44m |
| 50 mph (80.47 km/h) | 04h 35m |
| 60 mph (96.56 km/h) | 03h 49m |
| 70 mph (112.65 km/h) | 03h 16m |
| 80 mph (129 km/h) | 02h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $46.73 | $93.46 |
| Mid-grade | $6.07 | $49.13 | $98.27 |
| Premium | $6.24 | $50.57 | $101.14 |
| Diesel | $7.57 | $61.29 | $122.59 |
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.