How far is Houston, TX from Castroville, TX?

The driving distance from Houston, TX to Castroville, TX is about 219.5 miles (353.3 km), with a travel time of about 03h 52m by car.

  • The straight-line flight distance is about 213.1 miles (343 km).
  • For a round trip, plan for roughly 07h 45m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
219.56 mi
03h 52m
Flight
213.14 mi
343.01 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Houston.

Flight Distance

Direct air line
213.14 mi
Kilometers
343.01 km
Flight Time
00h 25m

Driving Distance

Road route
219.56 mi
Kilometers
353.35 km
Drive Time
03h 52m

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 03h 52m.

Arrival Snapshot
Arrive in Castroville
Sun, Apr 19, 6:08 AM CDT
Return by in Houston
Sun, Apr 19, 10:01 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Houston
2026-04-19T02:15
Arrive Castroville
Sun, Apr 19, 6:08 AM CDT
Route Timing
03h 52m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:53 AM to 11:53 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:14 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Houston
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Flatonia
TX

Town in Fayette County, Texas, United States

From Houston
109.6 mi
01h 56m
To Castroville
110 mi
01h 56m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Sunday

Chance Showers And Thunderstorms then Mostly Cloudy

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 to 15 mph NE
Destination
67°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 to 15 mph NE

Driving Route Map

The map below follows the saved road route between Houston and Castroville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Houston and Castroville.

  1. 1

    Start on Louisiana Street

    761 ft · 25 sec · Louisiana Street

  2. 2

    Take the ramp straight toward I 10 West: San Antonio

    2149 ft · 52 sec

  3. 3

    Merge slight right onto Katy Freeway

    174.9 mi · 3 hr 2 min · Katy Freeway

  4. 4

    Keep slight left

    12 mi · 13 min

  5. 5

    Keep slight left to continue on 90th Infantry Division Highway

    1.2 km · 52 sec · 90th Infantry Division Highway

  6. 6

    Continue on Jose Lopez Freeway

    8.4 mi · 10 min · Jose Lopez Freeway

  7. 7

    Continue on Cleto Rodriguez Freeway

    12.5 mi · 14 min · Cleto Rodriguez Freeway

  8. 8

    Continue on West US Highway 90

    10.2 mi · 12 min · West US Highway 90

  9. 9

    Turn right onto Angelo Street

    585 ft · 28 sec · Angelo Street

  10. 10

    Turn right onto Paris Street

    26 m · 4 sec · Paris Street

  11. 11

    Arrive at your destination

    0 m · 1 sec · Paris Street

Car Route Details

A richer read on the saved driving route between Houston and Castroville.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
11 steps
2 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
5 / 100 mi
Decision points by distance
Main Roads
Katy Freeway
187 mi · 85%
Cleto Rodriguez Freeway
12.5 mi · 6%
West US Highway 90
10.2 mi · 5%
Jose Lopez Freeway
8.37 mi · 4%
90th Infantry Division Highway
0.75 mi
I 10 West
0.41 mi
Longest Stretch

Katy Freeway

Merge slight right onto Katy Freeway

175 mi · 03h 02m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 52m
Long day trip
Same-Day Return
07h 46m
Round-trip wheel time
Road vs Air
+6.4 mi
213.1 mi direct line
Halfway Stop
Flatonia
01h 56m from Houston
Leave By
9:14 AM CDT
Early departure recommended
Weather Watch

Chance Showers And Thunderstorms then Mostly Cloudy leaving Houston and Chance Rain Showers near Castroville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Houston to Castroville?

The road trip is about 219.5 miles (353.3 km) and usually takes 03h 52m 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?

Flatonia is a useful midpoint, sitting about 109.6 miles from Houston and 110 miles from Castroville.

How much longer is the road route than the straight-line distance?

The direct path is about 213.1 miles (343 km), while the road route adds roughly 6.4 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 9:14 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $29.29 one way or $58.57 round trip. Estimated CO2 is about 68.9 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms then Mostly Cloudy around Houston and Chance Rain Showers near Castroville.

Stop Ideas Near Flatonia

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Flatonia, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Flatonia.

RAIL

San Marcos Station

83 mi away
338 South Guadalupe St.
RAIL

Austin

90 mi away
250 North Lamar Blvd.
RAIL

Taylor

102 mi away
118 East First St.
BUS

Prairie View, TX

116 mi away
44814 US Highway 290 Business \r\n

Flight Path Map

This map shows the direct air route between Houston and Castroville. Straight-line distance: 213.14 mi (343.01 km).

Houston

#1 Houston

The fourth most populous city in the United States and the center of the Houston metropolitan area.

Population2,316,120
Coordinates29.7632800, -95.3632700
Altitude12
CountryUnited States
Castroville

#2 Castroville

Town in the U.

Population3,199
Coordinates29.3557900, -98.8786400
Altitude231
CountryUnited States
Start: Houston (-95.36327, 29.76328)
End: Castroville (-98.87864, 29.35579)

Estimated Travel Time

Distance: 353 km by road

SpeedTime
30 mph (48.3 km/h)07h 18m
40 mph (64.37 km/h)05h 29m
50 mph (80.47 km/h)04h 23m
60 mph (96.56 km/h)03h 39m
70 mph (112.65 km/h)03h 08m
80 mph (129 km/h)02h 44m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.75 gal
29.33 L · about $29.29
Round trip
$58.57
15.5 gal · 58.66 L
Estimated CO2
68.9 kg one way
Round trip: 137.7 kg / 304 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $29.29 $58.57
Mid-grade $4.25 $32.95 $65.91
Premium $4.59 $35.58 $71.16
Diesel $3.99 $30.95 $61.89

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

There is no time difference between Houston and Castroville. The current time is 02:15:41.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.