How far is South Alamo, TX from Dallas, TX?
The driving distance from South Alamo, TX to Dallas, TX is about 525.2 miles (845.2 km), with a travel time of about 07h 56m by car.
- The straight-line flight distance is about 464.5 miles (747.5 km).
- For a round trip, plan for roughly 15h 53m 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 56m.
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 Guadalupe County, Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between South Alamo and Dallas.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Alamo and Dallas.
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1
Start on 2nd Street
640 ft · 30 sec · 2nd Street
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2
Turn right onto El Gato Road
2301 ft · 1 min · El Gato Road
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3
Turn right onto South Tower Road
1.8 mi · 3 min · South Tower Road
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4
Turn left
1.2 km · 1 min
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5
Turn right onto North Alamo Road
2868 ft · 1 min · North Alamo Road
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6
Turn left onto West Expressway 83
2163 ft · 43 sec · West Expressway 83
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7
Take the ramp slight left toward I 2 West, US 83 West
872 ft · 21 sec
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8
Merge slight left
2.7 mi · 3 min
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9
Take the exit slight right toward I 69C North, US 281: Edinburg
1.4 km · 2 min
-
10
Continue straight
21.8 mi · 23 min
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11
Continue straight
57.1 mi · 1 hr
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12
Keep slight right
70.2 mi · 1 hr 20 min
-
13
Keep slight left to continue on Nueces Street
11.1 mi · 15 min · Nueces Street
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14
Turn right onto King David Drive
31.8 mi · 39 min · King David Drive
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15
Continue on West Main Street
1.2 km · 1 min · West Main Street
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16
Keep slight left to continue on East Main Street
71 m · 4 sec · East Main Street
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17
Continue on Helena Road
8.4 mi · 11 min · Helena Road
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18
Turn straight onto State Highway 80
23.6 mi · 26 min · State Highway 80
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19
Continue on South Nixon Avenue
1 mi · 2 min · South Nixon Avenue
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20
Continue on State Highway 80 North
30.8 mi · 35 min · State Highway 80 North
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21
Continue on US 183
10.1 mi · 12 min · US 183
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22
Continue on South Colorado Street
4.9 mi · 9 min · South Colorado Street
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23
Continue on United States Highway 183
1282 ft · 17 sec · United States Highway 183
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24
Keep slight left to continue on TX 130 Toll North: Austin, Waco
2447 ft · 35 sec
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25
Merge slight left onto Pickle Parkway
58.5 mi · 55 min · Pickle Parkway
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26
Keep slight left to continue on I 35 North: Waco
2045 ft · 50 sec
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27
Merge slight left onto Purple Heart Trail
64.7 mi · 1 hr 6 min · Purple Heart Trail
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28
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
-
29
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
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30
Keep slight right to continue on I 35E: Dallas
58.1 mi · 1 hr 1 min
-
31
Take the exit slight right toward Continental Avenue
1188 ft · 31 sec
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32
Turn right onto Continental Avenue
1275 ft · 31 sec · Continental Avenue
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33
Turn slight right onto North Lamar Street
132 m · 11 sec · North Lamar Street
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34
Arrive at your destination
0 m · 1 sec · North Lamar Street
Car Route Details
A richer read on the saved driving route between South Alamo and Dallas.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 69C North
Keep slight right
70.2 mi · 01h 20m
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.
Mostly Sunny then Chance Showers And Thunderstorms leaving South Alamo and Mostly Sunny near Dallas.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Alamo to Dallas?
The road trip is about 525.2 miles (845.2 km) and usually takes 07h 56m 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?
Luling is a useful midpoint, sitting about 251.6 miles from South Alamo and 273.6 miles from Dallas.
How much longer is the road route than the straight-line distance?
The direct path is about 464.5 miles (747.5 km), while the road route adds roughly 60.7 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 $70.02 one way or $140.05 round trip. Estimated CO2 is about 164.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around South Alamo and Mostly Sunny near Dallas.
Stop Ideas Near Luling
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 Luling.
San Marcos Station
Austin
San Antonio Station
Taylor
Flight Path Map
This map shows the direct air route between South Alamo and Dallas. Straight-line distance: 464.45 mi (747.46 km).
#1 South Alamo
Census designated place
| Population | 3,361 |
| Coordinates | 26.1570200, -98.1086200 |
| Altitude | 29 |
| Country | United States |
#2 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 |
End: North Lamar Street (-96.806574, 32.783135)
Estimated Travel Time
Distance: 845 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 29m |
| 40 mph (64.37 km/h) | 13h 07m |
| 50 mph (80.47 km/h) | 10h 30m |
| 60 mph (96.56 km/h) | 08h 45m |
| 70 mph (112.65 km/h) | 07h 30m |
| 80 mph (129 km/h) | 06h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $70.02 | $140.05 |
| Mid-grade | $4.25 | $78.79 | $157.58 |
| Premium | $4.59 | $85.07 | $170.14 |
| Diesel | $3.99 | $73.99 | $147.98 |
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 · Jun 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.