How far is Chula Vista, CA from Union City, CA?
The driving distance from Chula Vista, CA to Union City, CA is about 491.1 miles (790.3 km), with a travel time of about 09h 17m by car.
- The straight-line flight distance is about 443.7 miles (714.1 km).
- For a round trip, plan for roughly 18h 34m 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 09h 17m.
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.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Chula Vista and Union City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chula Vista and Union City.
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1
Start on F Street
16 m · 3 sec · F Street
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2
Turn left onto 4th Avenue
1.5 km · 2 min · 4th Avenue
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3
Continue on Highland Avenue
146 m · 11 sec · Highland Avenue
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4
Take the ramp right toward CA 54 East
1007 ft · 25 sec
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5
Merge slight left onto South Bay Freeway
1592 ft · 19 sec · South Bay Freeway
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6
Take the exit slight right toward I 805
958 ft · 23 sec
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7
Keep slight left to continue on I 805 North
1.4 km · 2 min
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8
Merge slight left onto Jacob Dekema Freeway
18.7 mi · 21 min · Jacob Dekema Freeway
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9
Keep slight left
1.3 km · 56 sec
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10
Merge slight right onto San Diego Freeway
35.4 mi · 42 min · San Diego Freeway
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11
Keep slight right to continue on San Diego Freeway
18.1 mi · 21 min · San Diego Freeway
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12
Keep slight left to continue on San Diego Freeway
7.4 mi · 9 min · San Diego Freeway
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13
Keep slight right to continue on Bake Parkway
1.6 mi · 2 min
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14
Keep slight right
6 mi · 7 min
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15
Take the exit slight right toward Jamboree Road
1266 ft · 17 sec
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16
Continue straight
527 ft · 11 sec
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17
Turn right onto Jamboree Road
760 ft · 18 sec · Jamboree Road
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18
Turn left onto El Camino Real
2.2 mi · 5 min · El Camino Real
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19
Turn left onto Newport Avenue
109 m · 14 sec · Newport Avenue
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20
Take the ramp right toward I 5 North: Los Angeles
1127 ft · 17 sec
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21
Merge slight left onto Santa Ana Freeway
1.3 mi · 1 min · Santa Ana Freeway
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22
Keep slight right to continue on Santa Ana Freeway
1.7 mi · 2 min · Santa Ana Freeway
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23
Keep slight right to continue on Santa Ana Freeway
9.4 mi · 11 min · Santa Ana Freeway
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24
Keep slight right to continue on Santa Ana Freeway
18 mi · 21 min · Santa Ana Freeway
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25
Keep slight right to continue on Golden State Freeway
25.5 mi · 30 min · Golden State Freeway
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26
Keep slight left to continue on Golden State Freeway
2.2 mi · 3 min · Golden State Freeway
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27
Keep slight right to continue on I 5 Truck North, CA 14 Truck
1.5 mi · 2 min
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28
Keep slight left
36.1 mi · 42 min
-
29
Keep slight left to continue on Golden State Freeway
22.3 mi · 25 min · Golden State Freeway
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30
Keep slight right to continue on Westside Freeway
225.6 mi · 4 hr 2 min · Westside Freeway
-
31
Keep slight left to continue on William Elton Brown Freeway
15.9 mi · 17 min · William Elton Brown Freeway
-
32
Keep slight right to continue on William Elton Brown Freeway
1.1 mi · 1 min · William Elton Brown Freeway
-
33
Merge slight left onto Arthur H. Breed Junior Freeway
18 mi · 21 min · Arthur H. Breed Junior Freeway
-
34
Keep slight right to continue on Arthur H. Breed Junior Freeway
10.4 mi · 12 min · Arthur H. Breed Junior Freeway
-
35
Take the exit slight right toward Redwood Road
1149 ft · 30 sec
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36
Turn left onto Redwood Road
3104 ft · 1 min · Redwood Road
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37
Continue on A Street
1.5 km · 2 min · A Street
-
38
Turn left onto Mission Boulevard
1735 ft · 44 sec · Mission Boulevard
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39
Turn slight right onto Jackson Street
1.7 mi · 3 min · Jackson Street
-
40
Take the exit slight right toward I 880 South: San Jose
1935 ft · 27 sec
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41
Merge slight left onto Nimitz Freeway
1.2 mi · 1 min · Nimitz Freeway
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42
Keep slight right to continue on Nimitz Freeway
1.5 mi · 2 min · Nimitz Freeway
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43
Take the exit slight right toward Whipple Road, Dyer Street
1823 ft · 46 sec
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44
Continue on Whipple Road
1.2 km · 2 min · Whipple Road
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45
Turn left onto Union City Boulevard
1.1 km · 1 min · Union City Boulevard
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46
Turn right onto Cambridge Way
59 m · 11 sec · Cambridge Way
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47
Arrive at your destination
0 m · 1 sec · Cambridge Way
Car Route Details
A richer read on the saved driving route between Chula Vista and Union City.
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.
Partly Sunny leaving Chula Vista and Mostly Sunny near Union City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chula Vista to Union City?
The road trip is about 491.1 miles (790.3 km) and usually takes 09h 17m 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 245.6 miles from Chula Vista and 245.4 miles from Union City.
How much longer is the road route than the straight-line distance?
The direct path is about 443.7 miles (714.1 km), while the road route adds roughly 47.4 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 $99.98 one way or $199.95 round trip. Estimated CO2 is about 154 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Chula Vista and Mostly Sunny near Union City.
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 Chula Vista and Union City. Straight-line distance: 443.73 mi (714.12 km).
#1 Chula Vista
The second most populous city in San Diego County, California.
| Population | 272,979 |
| Coordinates | 32.6400500, -117.0842000 |
| Altitude | 21 |
| Country | United States |
#2 Union City
A city in Placer County, California.
| Population | 74,107 |
| Coordinates | 37.5963232, -122.0816297 |
| Altitude | 3 |
| Country | United States |
End: Union City (-122.08163, 37.596323)
Estimated Travel Time
Distance: 790 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 21m |
| 40 mph (64.37 km/h) | 12h 16m |
| 50 mph (80.47 km/h) | 09h 49m |
| 60 mph (96.56 km/h) | 08h 11m |
| 70 mph (112.65 km/h) | 07h 00m |
| 80 mph (129 km/h) | 06h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $99.98 | $199.95 |
| Mid-grade | $6.07 | $105.12 | $210.25 |
| Premium | $6.24 | $108.19 | $216.38 |
| Diesel | $7.57 | $131.14 | $262.27 |
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 · May 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.