How far is Castroville, TX from San Antonio, TX?
Fastest route
The distance from Castroville, Texas 78009, to San Antonio, Texas, is approximately 25.6 miles (41.2 kilometers). Here are 5 tips/suggestions for your journey:
Directions
To get to San Antonio from Castroville:
- Head northwest toward Angelo St.
- Turn left toward Angelo St.
- Follow US-90 E to W Cesar E. Chavez Blvd in San Antonio.
- Take exit 155B from I-10 W/I-35 N.
- Merge onto W Cesar E. Chavez Blvd and turn left onto S Flores St.
Tips & Suggestions
- 🚗 Use the Fastest Route: Take the US-90 E route for a quicker journey.
- 🚦 Check Traffic Conditions: Before leaving, check for any traffic conditions that might affect your drive.
- 🛣️ Follow Signage: Pay attention to road signs and follow the directions to stay on the right path.
- ⛽ Fuel Up: Ensure your vehicle has enough fuel for the trip, especially for longer journeys.
- 📱 Bring Navigation: Have a GPS or a navigation app on your phone to stay on track.
FAQs
Q: How long does it take to reach San Antonio from Castroville? A: The estimated travel time is 29 minutes.
Q: Which route is the fastest to reach San Antonio from Castroville? A: Taking US-90 E is the fastest route.
Q: Are there any road closures or construction along the way? A: It's always a good idea to check for any road closures or construction activities that might affect your route beforehand.
Q: What should I do if I miss the exit for W Cesar E. Chavez Blvd? A: If you miss the exit, find a safe spot to turn around or use GPS to navigate back to the correct route.
Q: Are there any scenic spots or landmarks to see on the way? A: While the route is relatively straightforward, you can enjoy the picturesque Texas landscapes along the journey.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 28m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Bexar County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Castroville and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castroville and San Antonio.
-
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
-
4
Continue on Cleto Rodriguez Freeway
12.2 mi · 14 min · Cleto Rodriguez Freeway
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5
Take the exit slight right toward I 10 West, I 35, US 87 North: El Paso, Austin, Laredo
1263 ft · 31 sec
-
6
Keep slight left to continue on I 10 West, I 35 North, US 87 North: El Paso, Austin
2085 ft · 51 sec
-
7
Merge slight left onto South Pan Am Expressway
2385 ft · 34 sec · South Pan Am Expressway
-
8
Keep slight left to continue on South Pan Am Expressway
2835 ft · 40 sec · South Pan Am Expressway
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9
Take the exit slight right toward Spur 536: South Alamo Street
619 ft · 15 sec
-
10
Turn straight onto South Laredo Street
2093 ft · 46 sec · South Laredo Street
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11
Continue on South Santa Rosa Street
2386 ft · 52 sec · South Santa Rosa Street
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12
Turn right onto Dolorosa Street
1445 ft · 33 sec · Dolorosa Street
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13
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Castroville and San Antonio.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Cleto Rodriguez Freeway
Continue on Cleto Rodriguez Freeway
12.2 mi · 00h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Chance Rain Showers leaving Castroville and Slight Chance Rain Showers near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castroville to San Antonio?
The road trip is about 25.6 miles (41.2 km) and usually takes 00h 28m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Von Ormy is a useful midpoint, sitting about 12.7 miles from Castroville and 12.9 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 23.7 miles (38.1 km), while the road route adds roughly 1.9 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.40 one way or $6.80 round trip. Estimated CO2 is about 8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Castroville and Slight Chance Rain Showers near San Antonio.
Stop Ideas Near Von Ormy
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Piazza Italia Park
City Hall San Antonio
Municipal Plaza
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Von Ormy.
San Antonio Station
San Marcos Station
Flight Path Map
This map shows the direct air route between Castroville and San Antonio. Straight-line distance: 23.66 mi (38.07 km).
#1 Castroville
Town in the U.
| Population | 3,199 |
| Coordinates | 29.3557900, -98.8786400 |
| Altitude | 231 |
| Country | United States |
#2 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area.
| Population | 1,567,118 |
| Coordinates | 29.4241200, -98.4936300 |
| Altitude | 198 |
| Country | United States |
End: Dolorosa Street (-98.493645, 29.424163)
Estimated Travel Time
Distance: 41 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 51m |
| 40 mph (64.37 km/h) | 00h 38m |
| 50 mph (80.47 km/h) | 00h 30m |
| 60 mph (96.56 km/h) | 00h 25m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $3.40 | $6.80 |
| Mid-grade | $4.25 | $3.83 | $7.65 |
| Premium | $4.59 | $4.13 | $8.26 |
| Diesel | $3.99 | $3.59 | $7.19 |
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
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