Trip from Dallas, TX to San Diego, TX

Drive Time

7h 5m

Distance

415.3 mi

668 km

Drive Score

9/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$63

one way

Downtown San Diego, TX, TX

Photo: Mark Direen

Trip Overview

If you are planning a trek from Dallas to San Diego, Texas, prepare for a 415.3-mile journey that takes approximately 7 hours and 5 minutes of driving time. This route is best suited as a single-day commitment, allowing you to reach your destination without the need for an overnight stay. You can expect to spend about $62 on fuel for the trip, so factor that into your travel budget before heading out. Because both cities are located within the Great Plains region, the landscape remains consistent throughout your travels. Navigating this path involves a series of local thoroughfares, including Ross Avenue, North Houston Street, and Elm Street, rather than major interstate highways.

Trip Pace

Same-day drive is realistic

A same-day return is possible, but it will make for a full day on the road.

Break Rhythm

2 planned breaks

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

207.6 miles from Dallas, TX

A natural place for your longest stop of the day , about 3h 30m into the drive .

Drive Character

Expect a turn-heavy local drive that demands your full attention behind the wheel. Unlike a straightforward interstate cruise, this route features a 0% highway share, meaning you will be navigating surface streets rather than high-speed lanes. This setup creates a more technical driving experience where you will constantly transition through local turns. Because the route relies on city-level infrastructure, the pace is more deliberate than a typical highway trek. Staying alert is essential, as the lack of long, uninterrupted stretches means you will be actively managing your vehicle's speed and direction for the duration of the 7-hour transit.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 30 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
South R L Thornton Freeway is the longest continuous segment at about 89.9 miles.

Elevation Profile

Mostly flat terrain

912 ft 189 ft

Total Climb

954 ft

Total Descent

1,132 ft

Highest Point

912 ft

~155.7 mi in

Elevation Range

723 ft

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on South R L Thornton Freeway and TX 130 Toll. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.6 miles in.

Route Complexity 10/10

High effort - long or complex enough to need steady focus all day

This is a demanding drive. With 23 significant decision points across 415.3 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 0.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 0.8 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 162.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Critical Maneuvers

5 of 23 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

9
0.6 mi into trip | ~1m in

Keep slight left at fork toward I 30 West, I 35E South

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Toward I 30 West, I 35E South
8
0.8 mi into trip | ~1m in

Keep slight right at fork toward I 35E South

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight left / slight right lanes. Toward I 35E South
7
162.6 mi into trip | ~2h 49m in

Take the exit toward TX 130 Toll South: San Antonio

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Exit 265 Toward TX 130 Toll South: San Antonio
7
249.4 mi into trip | ~4h 9m in

Keep slight right at fork toward I 10 West: San Antonio

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight left / slight right lanes. Toward I 10 West: San Antonio
8
290.6 mi into trip | ~4h 52m in

Take the exit toward I 37, US 281 North: San Antonio, Corpus Christi

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 41 Toward I 37, US 281 North: San Antonio, Corpus...

Towns Along This Route

On the drive from Dallas, TX to San Diego, TX, road signs begin pointing toward Corpus Christi along the way.

Corpus Christi

290.6 mi in | ~4h 52m

Main Roads

Road Distance Duration
South R L Thornton Freeway 89.9 mi 1h 32m
TX 130 Toll 86.1 mi 1h 19m
I 37 60.5 mi 1h 1m
South Nueces Street 40 mi 40m
Purple Heart Trail 37.9 mi 39m
I 10 32.5 mi 33m
I 35 26.5 mi 26m
US 281 South 15.2 mi 19m
Longest stretch: South R L Thornton Freeway — 89.9 mi, about 1h 32m

Turn-by-Turn Driving Directions

Step-by-step road directions between Dallas, TX and San Diego, TX.

1

Start on North Lamar Street

0.2 mi · 34 sec · North Lamar Street
Use the none lane.
2

Turn right onto Elm Street

0.2 mi · 30 sec · Elm Street
3

Continue on Elm Street

0.1 mi · 14 sec · Elm Street
4

Take the ramp

327 ft · 7 sec
Toward I 30, I 35E
5

Keep slight left at fork

0.2 mi · 20 sec
Toward I 30 West, I 35E South Use the straight / slight right lanes.
6

Keep slight right at fork

330 ft · 8 sec
Toward I 35E South Use the slight left / slight right lanes.
7

Merge onto I 35E

0.8 mi · 1 min · South Stemmons Freeway
Use the none / straight / slight right lanes.
8

Continue on I 35E

0.5 mi · 44 sec · South R L Thornton Freeway
9

Continue on I 35E

89 mi · 1 hr 31 min · South R L Thornton Freeway
Exit 426 Toward Dallas Zoo Use the none lane.
10

Continue on I 35; US 77

6.6 mi · 7 min · North Jack Kultgen Expressway
Use the none / straight / slight right lanes.
11

Continue on I 35

38 mi · 39 min · Purple Heart Trail
Use the none lane.
12

Keep slight left at fork onto I 35

26 mi · 26 min · I 35
Use the none / straight / slight right lanes.
13

Take the exit

0.7 mi · 55 sec
Exit 265 Toward TX 130 Toll South: San Antonio Use the slight right lane.
14

Continue on TX 130 Toll

86 mi · 1 hr 19 min · TX 130 Toll
Use the none / straight / slight right lanes.
15

Keep slight right at fork

0.6 mi · 1 min
Toward I 10 West: San Antonio Use the slight left / slight right lanes.
16

Merge onto I 10; TX 130

11 mi · 11 min · I 10; TX 130
Use the none / straight / slight right lanes.
17

Continue on I 10; US 90; TX 130

9.4 mi · 9 min · I 10; US 90; TX 130
Use the none / straight / slight right lanes.
18

Keep slight left at fork onto I 10; US 90; TX 130

12 mi · 12 min · I 10; US 90; TX 130
Use the none / straight / slight right lanes.
19

Keep slight right at fork onto I 410

1.4 mi · 1 min · Connally Loop
Use the straight / slight right lanes.
20

Merge onto I 410; TX 130

6.7 mi · 7 min · Connally Loop
Use the none / straight / slight right lanes.
21

Take the exit

0.2 mi · 28 sec
Exit 41 Toward I 37, US 281 North: San Antonio, Corpus Christi Use the straight / slight right lanes.
22

Keep slight left at fork

0.5 mi · 1 min
Toward I 37 South: Corpus Christi Use the slight left / slight right lanes.
23

Merge onto I 37

60 mi · 1 hr 1 min · I 37
Use the none lane.
24

Take the exit onto US 281 South

15 mi · 19 min · US 281 South
Toward US 281 South Use the straight / slight right lanes.
25

Keep slight left at fork onto US 281

40 mi · 40 min · South Nueces Street
26

Take the exit

0.3 mi · 49 sec
Toward TX 44, TX 359: Alice, San Diego
27

Turn right onto TX 44; TX 359

7.9 mi · 8 min · TX 44; TX 359
28

Turn left onto TX 359

125 ft · 9 sec · South Doctor E.E. Dunlap Street
29

Take the ramp onto TX 359

37 ft · 0 sec · TX 359
30

Arrive at destination

TX 359

Trip Plan

To make the most of this 415.3-mile trip, aim for an early morning departure to navigate local traffic more easily. You should plan for at least 2 stops along the way to stretch your legs and break up the repetitive nature of the local road segments. Since you aren't relying on major highways, keep a close eye on your GPS to ensure you stay on the correct turns through the city streets. Budgeting $62 for gas is a solid baseline, but keep a little extra set aside for unexpected detours. As a specific tip for this route, ensure your vehicle's navigation is updated before you pull out of Dallas, as the turn-heavy nature of the drive makes missing a single street sign particularly inconvenient.

Morning Departure

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Evening Departure

This is a long drive — plan for a morning departure or consider splitting it into two days.

You can normally do this drive in one day.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 207.6 miles from Dallas, TX, or about 3h 30m into the drive.
The longest continuous stretch on this route runs about 89.9 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 91 miles or 1h 34m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 207.6 miles or 3h 30m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 5h 59m

Traffic, exits, and arrival timing usually matter more near San Diego, TX than in the middle of the route.

Before You Leave

+

Open the route before leaving Dallas, TX so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

+

Pick one backup stop option before the midpoint in case traffic changes your pacing.

Day 1

Settle into the route from Dallas, TX

This is one driving day of about 415.3 miles and 7h 5m.

Your first comfortable stop window is around 91 miles from Dallas, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on South R L Thornton Freeway for about 89.9 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 207.6 mi from Dallas, TX · 3h 30m into the drive

Downtown Austin, TX, TX

Mid-route town

Meal stop

Austin, TX

208 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Killeen, TX

Fuel and coffee

A short stop after about 91 miles helps settle the day before fatigue starts building.

Austin, TX

Meal break

The midpoint is around 207.6 miles from Dallas, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before South R L Thornton Freeway if your tank is already low. That segment runs about 89.9 miles.

Arriving in San Diego, TX

The final approach into San Diego, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around San Diego, TX.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$63.44 one way

$126.88 round trip

$3.88/gal 25.4 MPG avg 145 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.25 $69.52 $139.04
premium $4.59 $75.06 $150.13
diesel $5.64 $92.27 $184.53

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$63

Meals

$25–$50

Total

$88–$113

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 145.3 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $44 in charging · 1 stop · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 124.6 1 $43.61 $19.93
Efficient EV 103.8 1 $36.34 $16.61
EV Truck/SUV 166.1 2 $58.14 $26.58

Gas CO2

145 kg

EV CO2

49 kg (66% less)

Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast data refreshed 4 hours ago

Origin

Dallas, TX

Afternoon in Dallas on Sunday

Local time

1:24 PM

CDT

Current temp

79°F

Showers And Thunderstorms

S 10 to 15 mph 89% chance Live forecast

Special Weather Statement

Special Weather Statement issued April 12 at 8:19AM CDT by NWS Fort Worth TX

Special Weather Statement

Special Weather Statement issued April 12 at 7:55AM CDT by NWS Austin/San Antonio TX

Destination

San Diego, TX

Afternoon in San Diego on Sunday

Local time

1:24 PM

CDT

Current temp

70°F

Unavailable

Live forecast

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

9 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

7h 5m on the road

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Dallas, TX to San Diego, TX covers 415.3 miles and takes about 7h 5m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are South R L Thornton Freeway, TX 130 Toll, I 37. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 207.6 miles from Dallas, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $63.44 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 2 meaningful breaks for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 23 significant decision points across 415.3 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 0.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 0.8 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 162.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
On the drive from Dallas, TX to San Diego, TX, road signs begin pointing toward Corpus Christi along the way.

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Return Trip

San Diego, TX to Dallas, TX

Plan the drive back the other way.

393.4 mi 7h 10m

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