How far is Bostonia, CA from San Francisco, CA?
The driving distance from Bostonia, CA to San Francisco, CA is about 516.4 miles (831 km), with a travel time of about 08h 35m by car.
- The straight-line flight distance is about 461.8 miles (743.2 km).
- For a round trip, plan for roughly 17h 10m 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 08h 35m.
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.
Place in Kern County California
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Bostonia and San Francisco.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bostonia and San Francisco.
-
1
Start on Broadway
59 m · 8 sec · Broadway
-
2
Turn right onto North 2nd Street
1537 ft · 39 sec · North 2nd Street
-
3
Take the ramp right toward I 8 West: San Diego
1442 ft · 37 sec
-
4
Merge slight left onto Mission Valley Freeway
1.5 km · 1 min · Mission Valley Freeway
-
5
Take the exit slight right toward CA 67 North: Magnolia Avenue, Downtown
1142 ft · 28 sec
-
6
Keep slight right to continue on CA 67 North: Santee, Lakeside, Magnolia Avenue North
1240 ft · 27 sec
-
7
Merge slight left onto North Magnolia Avenue
1384 ft · 23 sec · North Magnolia Avenue
-
8
Continue on San Vicente Freeway
1.1 mi · 1 min · San Vicente Freeway
-
9
Take the exit slight right toward CA 52 West: Prospect Avenue
880 ft · 21 sec
-
10
Keep slight left to continue on CA 52 West
3194 ft · 46 sec
-
11
Continue on San Clemente Canyon Freeway
12.9 mi · 15 min · San Clemente Canyon Freeway
-
12
Take the exit slight right toward I 805 South, I 805 North
1746 ft · 23 sec
-
13
Keep slight right to continue on I 805 North: Los Angeles
1534 ft · 20 sec
-
14
Merge slight left onto Jacob Dekema Freeway
4.3 mi · 5 min · Jacob Dekema Freeway
-
15
Keep slight left
1.3 km · 56 sec
-
16
Merge slight right onto San Diego Freeway
35.4 mi · 42 min · San Diego Freeway
-
17
Keep slight right to continue on San Diego Freeway
18.1 mi · 21 min · San Diego Freeway
-
18
Keep slight left to continue on San Diego Freeway
7.4 mi · 9 min · San Diego Freeway
-
19
Keep slight right to continue on Bake Parkway
1.6 mi · 2 min
-
20
Keep slight right
6 mi · 7 min
-
21
Take the exit slight right toward Jamboree Road
1266 ft · 17 sec
-
22
Continue straight
527 ft · 11 sec
-
23
Turn right onto Jamboree Road
760 ft · 18 sec · Jamboree Road
-
24
Turn left onto El Camino Real
2.2 mi · 5 min · El Camino Real
-
25
Turn left onto Newport Avenue
109 m · 14 sec · Newport Avenue
-
26
Take the ramp right toward I 5 North: Los Angeles
1127 ft · 17 sec
-
27
Merge slight left onto Santa Ana Freeway
1.3 mi · 1 min · Santa Ana Freeway
-
28
Keep slight right to continue on Santa Ana Freeway
1.7 mi · 2 min · Santa Ana Freeway
-
29
Keep slight right to continue on Santa Ana Freeway
9.4 mi · 11 min · Santa Ana Freeway
-
30
Keep slight right to continue on Santa Ana Freeway
18 mi · 21 min · Santa Ana Freeway
-
31
Keep slight right to continue on Golden State Freeway
25.5 mi · 30 min · Golden State Freeway
-
32
Keep slight left to continue on Golden State Freeway
2.2 mi · 3 min · Golden State Freeway
-
33
Keep slight right to continue on I 5 Truck North, CA 14 Truck
1.5 mi · 2 min
-
34
Keep slight left
36.1 mi · 42 min
-
35
Keep slight left to continue on Golden State Freeway
22.3 mi · 25 min · Golden State Freeway
-
36
Keep slight right to continue on Westside Freeway
225.6 mi · 4 hr 2 min · Westside Freeway
-
37
Keep slight left to continue on William Elton Brown Freeway
15.9 mi · 17 min · William Elton Brown Freeway
-
38
Keep slight right to continue on William Elton Brown Freeway
1.1 mi · 1 min · William Elton Brown Freeway
-
39
Merge slight left onto Arthur H. Breed Junior Freeway
18 mi · 21 min · Arthur H. Breed Junior Freeway
-
40
Keep slight right to continue on Arthur H. Breed Junior Freeway
11.6 mi · 13 min · Arthur H. Breed Junior Freeway
-
41
Keep slight right to continue on MacArthur Freeway
8.3 mi · 10 min · MacArthur Freeway
-
42
Keep slight left to continue on MacArthur Freeway
7.2 mi · 8 min · MacArthur Freeway
-
43
Take the exit slight left toward I 80 West: San Francisco
1.5 km · 1 min
-
44
Merge slight right onto Dwight D. Eisenhower Highway
1015 ft · 17 sec · Dwight D. Eisenhower Highway
-
45
Turn slight left onto Dwight D. Eisenhower Highway
1959 ft · 33 sec · Dwight D. Eisenhower Highway
-
46
Keep slight left to continue on Dwight D. Eisenhower Highway
5.5 mi · 8 min · Dwight D. Eisenhower Highway
-
47
Continue on Route 80
1438 ft · 24 sec · Route 80
-
48
Continue on Route 80
1.2 km · 1 min · Route 80
-
49
Continue on Route 80
1893 ft · 32 sec · Route 80
-
50
Keep slight right to continue on US 101 North: Golden Gate Bridge
1919 ft · 39 sec
-
51
Merge slight right onto Central Freeway
1462 ft · 25 sec · Central Freeway
-
52
Continue on Octavia Boulevard
2490 ft · 42 sec · Octavia Boulevard
-
53
Turn right onto Market Street
629 ft · 32 sec · Market Street
-
54
Keep slight right to continue on Market Street
961 ft · 35 sec · Market Street
-
55
Arrive at your destination
0 m · 1 sec · Market Street
Car Route Details
A richer read on the saved driving route between Bostonia and San Francisco.
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 right to continue on Westside Freeway
226 mi · 04h 02m
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.
Sunny leaving Bostonia and Sunny near San Francisco.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bostonia to San Francisco?
The road trip is about 516.4 miles (831 km) and usually takes 08h 35m 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?
Buttonwillow is a useful midpoint, sitting about 254.6 miles from Bostonia and 261.8 miles from San Francisco.
How much longer is the road route than the straight-line distance?
The direct path is about 461.8 miles (743.2 km), while the road route adds roughly 54.6 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 $114.08 one way or $228.15 round trip. Estimated CO2 is about 161.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Bostonia and Sunny near San Francisco.
Stop Ideas Near Buttonwillow
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 Buttonwillow.
Wasco station
Bakersfield
Corcoran station
Kettleman City, California
Flight Path Map
This map shows the direct air route between Bostonia and San Francisco. Straight-line distance: 461.78 mi (743.16 km).
#1 Bostonia
Located within inland San Diego County at an elevation of 486 feet, this unincorporated community is situated in the El Cajon Valley.
| Population | 0 |
| Coordinates | 32.8075500, -116.9364200 |
| Altitude | 148 |
| Country | United States |
#2 San Francisco
The seventeenth most populous city in the United States and the center of the San Francisco Bay Area.
| Population | 866,606 |
| Coordinates | 37.7749300, -122.4194200 |
| Altitude | 16 |
| Country | United States |
End: Market Street (-122.419433, 37.774953)
Estimated Travel Time
Distance: 831 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 12m |
| 40 mph (64.37 km/h) | 12h 54m |
| 50 mph (80.47 km/h) | 10h 19m |
| 60 mph (96.56 km/h) | 08h 36m |
| 70 mph (112.65 km/h) | 07h 22m |
| 80 mph (129 km/h) | 06h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $6.26 | $114.08 | $228.15 |
| Mid-grade | $6.50 | $118.41 | $236.82 |
| Premium | $6.69 | $121.87 | $243.75 |
| Diesel | $8.41 | $153.28 | $306.57 |
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