How far is Dallas, TX from San Diego, TX?
The driving distance from Dallas, TX to San Diego, TX is about 415.3 miles (668.3 km), with a travel time of about 07h 05m by car.
- The straight-line flight distance is about 357.2 miles (574.8 km).
- For a round trip, plan for roughly 14h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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 07h 05m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Travis County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Dallas and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dallas and San Diego.
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1
Start on North Lamar Street
601 ft · 21 sec · North Lamar Street
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2
Turn right onto Ross Avenue
1028 ft · 23 sec · Ross Avenue
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3
At the end of the road, turn left onto North Houston Street
603 ft · 26 sec · North Houston Street
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4
Turn slight right onto Elm Street
709 ft · 14 sec · Elm Street
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5
Take the ramp straight toward I 30, I 35E
100 m · 8 sec
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6
Keep slight left to continue on I 30 West, I 35E South
835 ft · 20 sec
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7
Keep slight right to continue on I 35E South
101 m · 8 sec
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8
Merge slight right onto South Stemmons Freeway
1.4 km · 1 min · South Stemmons Freeway
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9
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
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10
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
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11
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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12
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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13
Keep slight left
26.5 mi · 27 min
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14
Take the exit slight right toward TX 130 Toll South: San Antonio
1.1 km · 56 sec
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15
Continue straight
86.1 mi · 1 hr 19 min
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16
Keep slight right to continue on I 10 West: San Antonio
3262 ft · 1 min
-
17
Merge slight left
11.1 mi · 11 min
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18
Continue straight
9.4 mi · 9 min
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19
Keep slight left
12 mi · 13 min
-
20
Keep slight right to continue on Connally Loop
1.4 mi · 2 min · Connally Loop
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21
Merge slight left onto Connally Loop
6.7 mi · 7 min · Connally Loop
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22
Take the exit slight right toward I 37, US 281 North: San Antonio, Corpus Christi
1184 ft · 29 sec
-
23
Keep slight left to continue on I 37 South: Corpus Christi
2457 ft · 1 min
-
24
Merge slight left
60.5 mi · 1 hr 1 min
-
25
Take the exit slight right toward US 281 South
15.2 mi · 19 min
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26
Keep slight left to continue on South Nueces Street
40 mi · 41 min · South Nueces Street
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27
Take the exit slight right toward TX 44, TX 359: Alice, San Diego
1833 ft · 49 sec
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28
Turn right
7.9 mi · 9 min
-
29
Turn left onto South Doctor E.E. Dunlap Street
38 m · 10 sec · South Doctor E.E. Dunlap Street
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30
Take the ramp sharp left
11 m · 1 sec
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31
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Dallas and San Diego.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
South R L Thornton Freeway
Continue on South R L Thornton Freeway
89.3 mi · 01h 32m
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.
Showers And Thunderstorms Likely leaving Dallas and Mostly Cloudy near San Diego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dallas to San Diego?
The road trip is about 415.3 miles (668.3 km) and usually takes 07h 05m 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?
Mustang Ridge is a useful midpoint, sitting about 208 miles from Dallas and 207.2 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 357.2 miles (574.8 km), while the road route adds roughly 58.1 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 CDT. 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 $55.36 one way or $110.72 round trip. Estimated CO2 is about 130.2 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Dallas and Mostly Cloudy near San Diego.
Stop Ideas Near Mustang Ridge
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 Mustang Ridge.
Austin
San Marcos Station
Taylor
San Antonio Station
Flight Path Map
This map shows the direct air route between Dallas and San Diego. Straight-line distance: 357.15 mi (574.78 km).
#1 Dallas
The ninth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.
| Population | 1,343,266 |
| Coordinates | 32.7830600, -96.8066700 |
| Altitude | 128 |
| Country | United States |
#2 San Diego
City in Duval County, Texas, United States
| Population | 4,188 |
| Coordinates | 27.7639100, -98.2389000 |
| Altitude | 94 |
| Country | United States |
End: San Diego (-98.2389, 27.76391)
Estimated Travel Time
Distance: 668 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 50m |
| 40 mph (64.37 km/h) | 10h 22m |
| 50 mph (80.47 km/h) | 08h 18m |
| 60 mph (96.56 km/h) | 06h 55m |
| 70 mph (112.65 km/h) | 05h 55m |
| 80 mph (129 km/h) | 05h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $55.36 | $110.72 |
| Mid-grade | $4.25 | $62.29 | $124.58 |
| Premium | $4.59 | $67.26 | $134.52 |
| Diesel | $3.99 | $58.50 | $116.99 |
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 Texas · Apr 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.