Trip from Castle Hills, TX to Houston, TX

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Jul 21, 2026 · Editorial standards

Drive Time

3h 36m

Distance

202.5 mi

326 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$28

one way

EV Charging

Unknown

Best Time to Leave

Save up to 37 min

4 AM

3h 24m ★

6 AM

3h 36m

8 AM

4h 1m

10 AM

3h 45m

12 PM

3h 43m

3 PM

3h 46m

5 PM

4h 0m

8 PM

3h 29m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time

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Download GPX

Castle Hills, TX

Jeff Stapleton

Houston, TX

Trace Hudson

Trip Overview

Castle Hills to Houston is 202.5 miles and takes about 3h 36m via I 10, with a fuel budget near $32 and enough daylight to finish in a day. This drive keeps you within Texas, moving from the Great Plains region towards the same region. It's a straightforward, mostly highway trip that's easy to manage for a single day. Given its relatively short duration and consistent road type, it's a good option for a quick transit between these two Texas cities.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

1 planned break

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

101.2 miles from Castle Hills, TX

A natural place for your longest stop of the day , about 1h 48m into the drive .

Main Roads

Road	Distance	Duration
I 10	151.1 mi	2h 34m
90th Infantry Division Highway	21.7 mi	22m
Katy Freeway	10.7 mi	13m
Connally Loop	10.1 mi	11m
Katy Tollway	3.2 mi	4m
North Pan Am Expressway	2.5 mi	3m
Northwest Military Highway	0.3 mi	<1m
I 410	0.3 mi	<1m

Longest stretch: I 10 — 151.1 mi, about 2h 34m

Traffic on I-10

Hour-of-day weekday pattern from 52 FHWA count stations on your route.

Peak

2 PM

~2,432 veh/hr typical · worst 3,335

Quietest

2 AM

~346 veh/hr

Peak-to-quiet ratio

7×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).

Turn-by-Turn Driving Directions

Step-by-step road directions between Castle Hills, TX and Houston, TX.

Start on South Gardenview Drive

186 ft · 8 sec · South Gardenview Drive

Turn right onto FM 1535

0.3 mi · 48 sec · Northwest Military Highway

At end of road, turn left onto Northwest Loop 410

280 ft · 5 sec · Northwest Loop 410

Use the left lane.

Take the ramp

0.3 mi · 35 sec

Toward I 410 East Use the slight left lane.

Merge onto I 410

6.6 mi · 7 min · Connally Loop

Use the straight / slight right lanes.

Take the exit onto I 410

0.3 mi · 33 sec · I 410

Exit 27 Toward I 35 South, I 410 South: San Antonio Use the slight right lane.

Keep slight left at fork onto I 410

0.2 mi · 12 sec · Connally Loop

Toward I 35 South, I 410 South

Merge onto I 35; I 410

2.5 mi · 3 min · North Pan Am Expressway

Use the straight / slight right lanes.

Keep slight right at fork onto I 410

3.3 mi · 4 min · Connally Loop

Toward I 410 South Use the straight / slight right lanes.

Take the exit

0.1 mi · 18 sec

Exit 33 Toward I 10, US 90, TX 130: San Antonio, Houston Use the straight / slight right lanes.

Keep slight left at fork

0.2 mi · 30 sec

Toward I 10 East, US 90 East, TX 130 North: Houston, Seguin Use the straight / slight right lanes.

Keep slight right at fork

0.3 mi · 36 sec

Use the straight / right lanes.

Keep slight left at fork

0.3 mi · 37 sec

Keep slight left at fork onto TX 130

0.2 mi · 25 sec · TX 130

Toward I 10 East, US 90 East

Merge onto I 10; US 90; TX 130

22 mi · 22 min · 90th Infantry Division Highway

Use the slight right lane.

Continue on I 10; TX 130

151 mi · 2 hr 34 min · I 10; TX 130

Toward I 10 East: Houston, Austin, Waco Use the straight / slight right lanes.

Take the exit

0.3 mi · 22 sec

Toward I 10 Toll: Katy Tollway Use the slight left lane.

Merge onto I 10 Toll

3.2 mi · 4 min · Katy Tollway

Take the exit

0.2 mi · 15 sec

Use the straight / slight right lanes.

Merge onto I 10; US 90

11 mi · 13 min · Katy Freeway

Use the slight left lane.

Take the exit

0.4 mi · 52 sec

Exit 769A Toward Downtown, Theatre District Use the straight / slight right lanes.

Continue on Smith Street

0.1 mi · 29 sec · Smith Street

Turn left onto Preston Street

331 ft · 16 sec · Preston Street

Turn left onto Louisiana Street

179 ft · 5 sec · Louisiana Street

Arrive at destination

Louisiana Street

Trip Plan

For this 3h 36m drive, leaving in the morning is ideal to avoid potential afternoon traffic, especially as you near Houston. With a total distance of 202.5 miles, you likely won't need more than one brief stop for fuel or a quick break. The fuel cost is estimated at $32, so monitor your gauge as you go. Since this is a single-day trip, you have the flexibility to depart a bit later if needed, but staying on I 10 for the bulk of the route means keeping an eye on traffic reports as you get within 50 miles of Houston.

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.

Plan roughly 1 meaningful break for fuel, food, and rest.

The halfway point lands around 101.2 miles from Castle Hills, TX, or about 1h 48m into the drive.

The longest continuous stretch on this route runs about 151.1 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 45 miles or 51m in

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

Halfway reset

Around 101.2 miles or 1h 48m in

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

Final approach

Final hour starts around 2h 54m

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

Before You Leave

Open the route before leaving Castle Hills, 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.

Day 1

Settle into the route from Castle Hills, TX

This is one driving day of about 202.5 miles and 3h 36m.

Your first comfortable stop window is around 45 miles from Castle Hills, TX.

This route can stay practical as a one-day drive if traffic stays reasonable.

Plan about 1 real break rather than only quick fuel stops.

The longest stretch is on I 10 for about 151.1 miles.

Where to Stop

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

city in Colorado County, Texas, United States

Mid-route town

Meal stop

Eagle Lake, TX

101 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

Cibolo, TX

Fuel and coffee

A short stop after about 45 miles helps settle the day before fatigue starts building.

Eagle Lake, TX

Meal break

The midpoint is around 101.2 miles from Castle Hills, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

1.2 mi from route

Downtown Aquarium

4.1 ★ ★ ★ ★ ☆

Near the end, right off the route

Home stretch 0.2 mi from route ~1 min detour

Houston, Texas

Hours: 10 am–8:30 pm

+17132233474

Visit website

4.6 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 2.1 mi from route ~5 min detour

Houston, Texas

Hours: Open 24 hours

+17137520314

Visit website

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 21

5 decision points cluster between mile 7.3 and 201.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

7.3 mi into trip | ~9m in | I 410

Take the exit onto I 410 toward I 35 South, I 410 South: San Antonio

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

Use the slight right lane. Exit 27 Toward I 35 South, I 410 South: San Antonio

7.6 mi into trip | ~9m in | I 410 / Connally Loop

Keep slight left at fork onto I 410 / Connally Loop toward I 35 South, I 410 South

Highway fork - watch signs carefully. Multiple destination signs - pick the right one

Toward I 35 South, I 410 South

13.5 mi into trip | ~17m in

Take the exit toward I 10, US 90, TX 130: San Antonio, Houston

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 33 Toward I 10, US 90, TX 130: San Antonio, Housto...

13.6 mi into trip | ~17m in

Keep slight left at fork toward I 10 East, US 90 East, TX 130 North: Houston, Seguin

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

Use the straight / slight right lanes. Toward I 10 East, US 90 East, TX 130 North: Hou...

201.9 mi into trip | ~3h 34m in

Take the exit toward Downtown, Theatre District

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 769A Toward Downtown, Theatre District

Fuel & Cost

Regular Gas

$27.74 one way

$55.47 round trip

$3.48/gal 25.4 MPG avg 71 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$3.89	$30.98	$61.96
premium	$4.23	$33.68	$67.37
diesel	$4.80	$38.24	$76.47

Estimated Tolls: $0.23

Katy Tollway (3.2 mi) $0.23

Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.

Estimated Trip Cost (one way, 1 person)

Fuel

$28

Tolls

Meals

$25–$50

Total

$53–$78

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

Estimated CO2 emission: 70.9 kg one way. Prices: EIA weekly data, 2026-07-13.

Driving Electric?

About $21 in charging · 0 stops · 66% less CO₂

Vehicle Type	kWh	Stops	DC Fast	Home Charge
Average EV	60.8	0	$21.26	$9.72
Efficient EV	50.6	0	$17.72	$8.10
EV Truck/SUV	81	1	$28.35	$12.96

Gas CO2

71 kg

EV CO2

24 kg (66% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

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 as of Jul 19, 2026

Origin

Castle Hills, TX

Evening in Castle Hills on Monday

Local time

7:29 PM

CDT

Current temp

75°F

Mostly Cloudy

SSE 5 to 10 mph 1% chance Live forecast

Flash Flood Warning

Flash Flood Warning issued July 18 at 9:33PM CDT until July 18 at 10:45PM CDT by NWS Midland/Odessa TX

Flash Flood Warning

Flash Flood Warning issued July 18 at 9:30PM CDT until July 18 at 10:00PM CDT by NWS Lubbock TX

Destination

Houston, TX

Evening in Houston on Monday

Local time

7:29 PM

CDT

Current temp

77°F

Partly Cloudy

S 5 to 10 mph 1% chance Live forecast

Flash Flood Warning

Flash Flood Warning issued July 18 at 9:33PM CDT until July 18 at 10:45PM CDT by NWS Midland/Odessa TX

Flash Flood Warning

Flash Flood Warning issued July 18 at 9:30PM CDT until July 18 at 10:00PM CDT by NWS Lubbock TX

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

2 degrees warmer at arrival

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

Road read

3h 36m on the road

The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.

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

National Parks Near This Route

Worth a detour if your schedule allows.

San Antonio Missions National Historical Park

National Historical Park

Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas. Each mission in the park is a center of community and has been since the early 1700s. Th...

9 mi from route ~22 min detour Free near mile 14

View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

What kind of drive is this?

This route is 81% highway, meaning you'll spend most of your time on major roadways like I 10 and the Katy Freeway. The longest continuous stretch on I 10 spans 151.1 miles. You'll notice a high density of exits and traffic as you approach and enter the Houston metro area, a common characteristic of urban approaches on major interstates. The highway portion will likely feel like steady cruising until you get closer to your destination.

81% highway — fuel and pacing are the main things to plan.

25 navigation steps total — most of the decisions cluster near the start and finish.

Longest single stretch: 151.1 mi on I 10.

How Hard Is This Drive?

10/10

This is a straightforward highway drive that stays mostly on I 10 and 90th Infantry Division Highway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 7.3 miles in near I 410.

Driving Effort 10/10

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

Balances navigation complexity with total wheel time.

This is a demanding drive. With 21 significant decision points across 202.5 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 7.3 miles (I 410): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 7.6 miles (I 410 / Connally Loop): Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 13.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Elevation Profile

Mostly flat terrain

839 ft 35 ft

Total Climb

67 ft

Total Descent

871 ft

Highest Point

839 ft

Elevation Range

804 ft

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Castle Hills, TX and Houston, TX, road signs point toward Seguin, Austin and Waco.

Seguin

13.6 mi in | ~17m

Austin

36.3 mi in | ~42m | via I 10; TX 130

Waco

36.3 mi in | ~42m | via I 10; TX 130

About the Cities

Starting in Castle Hills, TX

Full guide →

Arriving in Houston, TX

Full guide →

“Space City” · Founded 1836

Houston is a sprawling port city in Southeastern Texas. An oil boom and continuing international immigration has brought explosive growth to the city, and it is now the fifth largest metropolitan area in the United States and the most diverse large city since 2021. While at first glance, the city appears to be a 9-5 central business district surrounded by a sea of suburbs and strip malls, there are many hidden gems to be discovered. === Welcome World Cup fans === Games will be played at NRG Stadium on the south side of Houston The best way to get to the stadium on game day is to use MetroRail trains (red line to NRG Stadium/Astrodome). Fare cards can be purchased at kiosks at train platforms and cost US$1.25 per ride The best hotels for football fans are downtown or near the medical center (both areas have easy access to MetroRail).

Top landmarks

• Museum of Fine Arts, Houston — art museum in Houston, Texas
• Astrodome — historic place in Houston, Harris County, Texas
• Rothko Chapel — building in Houston, Harris County, Texas

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 3h 36m. Total distance: 202.5 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

3h 36m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (81%). Some complex stretches to watch for.

Frequently Asked Questions

The longest stretch is about 151.1 miles on I 10. The full list of main roads is in the Roads section above.

Expect about $0.23 in tolls one way, starting with Katy Tollway. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.

Yes — we found about 26 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Houston, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. There are 26 rest areas along the route for bathroom stops.

Yes — San Antonio Missions National Historical Park. See the National Parks section for detour distances and tips on detours.

Possible but tiring. At 3.6 hours each way, an in-and-out day trip would put you behind the wheel for 7.2 hours — manageable with a long break at Houston, TX, but most travelers stay overnight.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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Explore more options from Castle Hills, TX or browse trips ending in Houston, TX.

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Trip from Castle Hills, TX to Houston, TX

Best Time to Leave

Trip Overview

Main Roads

Traffic on I-10

Turn-by-Turn Driving Directions

Trip Plan

Before You Leave

Where to Stop

Pacing Suggestions

Stops Along Your Drive

Road Ranger

Flying J Travel Center

Guadalupe County Westbound Rest Area

Guadalupe County Eastbound Rest Area

Buc-ee's

Roady's Truck Stops

Buc-ee's

Flying J Travel Center

Pilot Travel Center

Pilot Travel Center

Love's Travel Stop

TA

QuikTrip

QuikTrip

Petro Stopping Centers

Colorado County Eastbound Rest Area

Colorado County Westbound Rest Area

Love's Travel Stop

Jud's Travel Center

Road Ranger

Amigos Country Corner

Love's Travel Stop

TA

Love's Travel Stop

Super Travel Center

Love's Travel Stop

Downtown Aquarium

Union Station

Cidercade Houston

Barbara Fish Daniel Nature Play Area and Picnic Pavilion

Katy Heritage Park

Midtown Park

Round1 Bowling & Arcade North Star Mall

Waugh Drive Bat Colony

Heads-up: tricky spots

Fuel & Cost

Travel Intel

Castle Hills, TX

Houston, TX

Same local time

2 degrees warmer at arrival

3h 36m on the road

National Parks Near This Route

San Antonio Missions National Historical Park

What kind of drive is this?

How Hard Is This Drive?

Elevation Profile

Towns Mentioned on Route Signs

About the Cities

Starting in Castle Hills, TX

Arriving in Houston, TX

Who Is This Route For?

Frequently Asked Questions

Which road carries most of the drive?

How do I pay the tolls on this route?

Are there rest areas on this route?

Should I avoid arriving after dark?

Is this a good trip with kids?

Where does this route get tricky?

Are there national parks near this route?

Can I do this as a round trip in one go?

How this page is built

Explore More

Continue From Houston, TX

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