How far is Castroville, TX from Dallas, TX?
The driving distance from Castroville, TX to Dallas, TX is about 315.3 miles (507.5 km), with a travel time of about 04h 48m by car.
- The straight-line flight distance is about 266.6 miles (429.1 km).
- For a round trip, plan for roughly 09h 37m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 48m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Village in the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Castroville and Dallas.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castroville and Dallas.
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1
Start on Paris Street
26 m · 9 sec · Paris Street
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2
Turn left onto Angelo Street
585 ft · 28 sec · Angelo Street
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3
Turn left onto US Highway 90 West
10.2 mi · 12 min · US Highway 90 West
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4
Continue on Cleto Rodriguez Freeway
3.3 mi · 4 min · Cleto Rodriguez Freeway
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5
Take the exit slight right toward I 410 North, TX 16 North
1.3 mi · 3 min
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6
Merge slight left onto Connally Loop
19.8 mi · 23 min · Connally Loop
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7
Keep slight left to continue on I 35 North: Austin
1694 ft · 41 sec
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8
Merge slight left onto North Pan Am Expressway
6.8 mi · 8 min · North Pan Am Expressway
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9
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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10
Continue on Interstate Highway 35
1.9 mi · 2 min · Interstate Highway 35
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11
Continue on Purple Heart Trail
47.8 mi · 52 min · Purple Heart Trail
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12
Keep slight right to continue on Purple Heart Trail
95.6 mi · 1 hr 40 min · Purple Heart Trail
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13
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
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14
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
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15
Keep slight right to continue on I 35E: Dallas
58.1 mi · 1 hr 1 min
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16
Take the exit slight right toward Continental Avenue
1188 ft · 31 sec
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17
Turn right onto Continental Avenue
1275 ft · 31 sec · Continental Avenue
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18
Turn slight right onto North Lamar Street
132 m · 11 sec · North Lamar Street
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19
Arrive at your destination
0 m · 1 sec · North Lamar Street
Car Route Details
A richer read on the saved driving route between Castroville and Dallas.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Purple Heart Trail
Keep slight right to continue on Purple Heart Trail
95.6 mi · 01h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Showers And Thunderstorms leaving Castroville and Chance Showers And Thunderstorms near Dallas.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castroville to Dallas?
The road trip is about 315.3 miles (507.5 km) and usually takes 04h 48m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Salado is a useful midpoint, sitting about 148.9 miles from Castroville and 166.5 miles from Dallas.
How much longer is the road route than the straight-line distance?
The direct path is about 266.6 miles (429.1 km), while the road route adds roughly 48.7 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:22 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.06 one way or $84.12 round trip. Estimated CO2 is about 98.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Castroville and Chance Showers And Thunderstorms near Dallas.
Stop Ideas Near Salado
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 Salado.
Temple
Killeen, Texas
Fort Hood, Texas
Taylor
Flight Path Map
This map shows the direct air route between Castroville and Dallas. Straight-line distance: 266.65 mi (429.13 km).
#1 Castroville
Town in the U.
| Population | 3,199 |
| Coordinates | 29.3557900, -98.8786400 |
| Altitude | 231 |
| 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: 508 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 30m |
| 40 mph (64.37 km/h) | 07h 53m |
| 50 mph (80.47 km/h) | 06h 18m |
| 60 mph (96.56 km/h) | 05h 15m |
| 70 mph (112.65 km/h) | 04h 30m |
| 80 mph (129 km/h) | 03h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $42.06 | $84.12 |
| Mid-grade | $4.25 | $47.32 | $94.65 |
| Premium | $4.59 | $51.10 | $102.20 |
| Diesel | $3.99 | $44.44 | $88.88 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.