How far is Union City, PA from San Diego, CA?
The driving distance from Union City, PA to San Diego, CA is about 2522 miles (4058.7 km), with a travel time of about 44h 45m by car.
- The straight-line flight distance is about 2128 miles (3424.7 km).
- For a round trip, plan for roughly 89h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
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 44h 45m.
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.
City in Sedgwick County, Colorado, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Slight Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Union City and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union City and San Diego.
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1
Start on North Main Street
855 ft · 25 sec · North Main Street
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2
Turn left onto Perry Street
946 ft · 23 sec · Perry Street
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3
Continue on Waterford Street
2610 ft · 55 sec · Waterford Street
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4
Continue on PA-97
6.9 mi · 8 min · PA-97
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5
Enter the roundabout and take exit 1 toward Route 19
19 m · 1 sec · Route 19
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6
Exit the roundabout onto Route 19
1273 ft · 30 sec · Route 19
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7
Continue on High Street
1.3 km · 2 min · High Street
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8
Continue on Peach Street
8.5 mi · 13 min · Peach Street
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9
Turn left onto I 90 West: Cleveland
1513 ft · 39 sec
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10
Merge slight left onto AMVETS Memorial Highway
77.9 mi · 1 hr 27 min · AMVETS Memorial Highway
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11
Keep slight right
1.3 mi · 2 min
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12
Keep slight right to continue on Euclid Spur
3.8 mi · 5 min · Euclid Spur
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13
Merge slight right onto Lakeland Freeway
8.8 mi · 11 min · Lakeland Freeway
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14
Continue on Cleveland Memorial Shoreway
1.9 mi · 3 min · Cleveland Memorial Shoreway
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15
Keep slight left to continue on Innerbelt
1.9 mi · 3 min · Innerbelt
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16
Keep slight left to continue on Innerbelt
1.7 mi · 2 min · Innerbelt
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17
Keep slight right to continue on I 90 East, I 71 South, SR 176 South
26.2 mi · 32 min
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18
Keep slight left to continue on Ohio Turnpike Connector
144.5 mi · 2 hr 35 min · Ohio Turnpike Connector
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19
Continue on Indiana Toll Road
135.8 mi · 2 hr 27 min · Indiana Toll Road
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20
Take the exit slight right toward I 80 West, I 94, US 6: Des Moines
3216 ft · 1 min
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21
Keep slight right to continue on I 94 West, I 80 West, SR 51, US 6 East
543 ft · 13 sec
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22
Keep slight left to continue on I 94 West, I 80 West
14.2 mi · 20 min
-
23
Take the exit slight right toward US 41 North: Calumet Avenue, Hammond, Munster
1047 ft · 16 sec
-
24
Keep slight left to continue on Calumet Avenue South
1187 ft · 18 sec
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25
Keep slight left
1805 ft · 28 sec
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26
Merge slight left onto Borman Expressway
2724 ft · 42 sec · Borman Expressway
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27
Continue on Kingery Expressway
1.3 km · 1 min · Kingery Expressway
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28
Take the exit slight right toward IL 394 South, I 94 West: Danville, Chicago
1.5 mi · 2 min
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29
Keep slight left to continue on I 80 West, I 294 North
1703 ft · 26 sec
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30
Merge slight left onto Tri-State Tollway
4.8 mi · 7 min · Tri-State Tollway
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31
Keep slight right to continue on I 80 West: Iowa
145.4 mi · 2 hr 41 min
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32
Keep slight left to continue on I 74 West, I 280 West: Moline, Rock Island
9.6 mi · 10 min
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33
Keep slight left to continue on I 280 West: Des Moines
82 mi · 1 hr 30 min
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34
Continue straight
102 mi · 1 hr 51 min
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35
Keep slight right to continue on I 80 West: Omaha
95.5 mi · 1 hr 43 min
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36
Keep slight left to continue on I 80 West: Council Bluffs, Omaha Nebraska
23.7 mi · 26 min
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37
Keep slight left to continue on I 80 West Express: Council Bluffs, Omaha
355.4 mi · 6 hr 3 min
-
38
Keep slight right to continue on I 76 West: Denver
188 mi · 3 hr 10 min
-
39
Merge slight left
501.7 mi · 8 hr 38 min
-
40
Keep slight left to continue on I 15 South: Las Vegas
1.2 mi · 3 min
-
41
Merge slight left onto Veterans Memorial Highway
160.9 mi · 2 hr 40 min · Veterans Memorial Highway
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42
Continue on Las Vegas Freeway
123.8 mi · 2 hr 10 min · Las Vegas Freeway
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43
Continue on Barstow and Mojave Freeway
5.7 mi · 6 min · Barstow and Mojave Freeway
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44
Keep slight left to continue on Barstow and Mojave Freeway
1.4 km · 57 sec · Barstow and Mojave Freeway
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45
Merge slight right
151.2 mi · 2 hr 43 min
-
46
Continue on CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway
5.6 mi · 6 min · CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway
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47
Continue on Barstow and Mojave Freeway
6.3 mi · 7 min · Barstow and Mojave Freeway
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48
Continue on Barstow Freeway
1095 ft · 13 sec · Barstow Freeway
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49
Keep slight left to continue on Barstow Freeway
9.3 mi · 10 min · Barstow Freeway
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50
Continue on San Bernardino Freeway
5.6 mi · 6 min · San Bernardino Freeway
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51
Continue on Riverside Freeway
5.3 mi · 6 min · Riverside Freeway
-
52
Take the exit slight right toward I 215 South, CA 60 East: San Diego, Indio
5.1 mi · 6 min
-
53
Keep slight right to continue on I 215, CA 60 Truck
2512 ft · 33 sec
-
54
Keep slight right
36.3 mi · 41 min
-
55
Continue on Avocado Highway
21.9 mi · 24 min · Avocado Highway
-
56
Continue on Escondido Freeway
3.4 mi · 4 min · Escondido Freeway
-
57
Keep slight right to continue on Escondido Freeway
8.7 mi · 10 min · Escondido Freeway
-
58
Continue on Tony Gwynn Memorial Freeway
4.5 mi · 5 min · Tony Gwynn Memorial Freeway
-
59
Continue on Escondido Freeway
3.1 mi · 4 min · Escondido Freeway
-
60
Continue on Semper Fi Highway
2.2 mi · 3 min · Semper Fi Highway
-
61
Take the exit slight right toward CA 163 South
1.2 km · 52 sec
-
62
Continue on Cabrillo Freeway
8.2 mi · 9 min · Cabrillo Freeway
-
63
Continue on Cabrillo Parkway
1.5 mi · 2 min · Cabrillo Parkway
-
64
Continue on Cabrillo Parkway
1.3 km · 1 min · Cabrillo Parkway
-
65
Continue on 10th Avenue
1507 ft · 42 sec · 10th Avenue
-
66
Turn right onto Broadway
2811 ft · 1 min · Broadway
-
67
Turn left onto Front Street
8 m · 1 sec · Front Street
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68
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between Union City and San Diego.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 76 West
Merge slight left
502 mi · 08h 38m
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.
Patchy Fog then Slight Chance Showers And Thunderstorms leaving Union City 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 Union City to San Diego?
The road trip is about 2522 miles (4058.7 km) and usually takes 44h 45m 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?
Julesburg is a useful midpoint, sitting about 1259.3 miles from Union City and 1262.7 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 2128 miles (3424.7 km), while the road route adds roughly 394 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 EDT. 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 $363.61 one way or $727.23 round trip. Estimated CO2 is about 790.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 3 hour time difference between Union City and San Diego, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Patchy Fog then Slight Chance Showers And Thunderstorms around Union City and Mostly Sunny near San Diego.
Flight Path Map
This map shows the direct air route between Union City and San Diego. Straight-line distance: 2128 mi (3424.68 km).
#1 Union City
Borough in Pennsylvania, United States
| Population | 3,097 |
| Coordinates | 41.8995000, -79.8453300 |
| Altitude | 385 |
| 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: San Diego (-117.16472, 32.71571)
Estimated Travel Time
Distance: 4059 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 84h 01m |
| 40 mph (64.37 km/h) | 63h 03m |
| 50 mph (80.47 km/h) | 50h 26m |
| 60 mph (96.56 km/h) | 42h 01m |
| 70 mph (112.65 km/h) | 36h 01m |
| 80 mph (129 km/h) | 31h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $363.61 | $727.23 |
| Mid-grade | $4.60 | $409.27 | $818.53 |
| Premium | $4.95 | $440.86 | $881.71 |
| Diesel | $5.98 | $532.16 | $1,064.32 |
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 Pennsylvania · Jul 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.