Trip from San Antonio, TX to Castle Hills, TX

Q: How long is the trip from San Antonio, TX to Castle Hills, TX?

The drive from San Antonio, TX to Castle Hills, TX covers 8.5 miles and takes about 15m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

Q: What are the main roads on this route?

The main roads are San Pedro Avenue, Navarro Street, Connally Loop. Expect a mix of highway and local road driving.

Q: Is this a good same-day trip?

This is a comfortable same-day trip.

Q: Where should I stop halfway?

The midpoint is about 4.3 miles from San Antonio, TX. Look for rest areas, gas stations, or food options near the halfway mark.

Q: How much does gas cost for this trip?

At current regular gas prices, expect to spend about $1.28 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Q: What is the best time to leave?

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

Q: What towns show up on signs driving from San Antonio, TX to Castle Hills, TX?

The route from San Antonio, TX to Castle Hills, TX does not surface many named destination signs beyond the main corridor.

Last recalculated Apr 16, 2026

Drive Time

15m

Distance

8.5 mi

14 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$1

one way

EV Charging

Unknown

Best Time to Leave

4 AM

0h 14m ★

6 AM

0h 15m

8 AM

0h 18m

10 AM

0h 16m

12 PM

0h 16m

3 PM

0h 16m

5 PM

0h 18m

8 PM

0h 14m ★

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

Best Time Drive vs Fly

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Trip Overview

If you are looking to travel from downtown San Antonio to Castle Hills, you are looking at a brief 8.5-mile journey that takes approximately 15 minutes. This route is perfectly suited for a quick, one-day trip, as it stays entirely within the Great Plains region of Texas. You won't need to worry about overnight logistics or heavy travel budgets, as the estimated fuel cost is only about $1. Because the path relies on local streets rather than major interstates, it serves as a straightforward commute between the two points. It is a practical, no-nonsense drive that gets you to your destination efficiently.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 15m. Total distance: 8.5 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

15m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (0%). Some complex stretches to watch for.

Scenic Drive

Turn-heavy local drive route profile.

Drive Character

Expect a turn-heavy local drive that requires your full attention as you navigate city streets. Your journey begins on West Market Street and transitions through Navarro Street before heading north on San Pedro Avenue. Since there is zero highway share on this route, you will avoid the high-speed monotony of interstate travel in favor of urban navigation. There is no long-distance cruising here, as the longest stretch is essentially non-existent on West Market Street. You will find that the road maintains a consistent local pace throughout the entire 15-minute duration.

This route has more turning and local-road decision points than a simple highway run.

There are about 12 navigation steps in the underlying route data, so the final approach matters more than the middle miles.

San Pedro Avenue is the longest continuous segment at about 6.1 miles.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 9 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.2 miles in near Navarro Street.

Driving Effort 5/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 8.5 miles you will encounter 9 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 0.2 miles (Navarro Street): Navigation decision point; at 1.1 miles (San Pedro Avenue): Roundabout - know your exit number before entering; at 7.2 miles (Northwest Loop 410): Lane positioning matters here.

Critical Maneuvers

5 of 9 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

4

0.2 mi into trip | ~0m in | Navarro Street

Turn left onto Navarro Street

Navigation decision point

4

1.1 mi into trip | ~2m in | San Pedro Avenue

Enter roundabout onto San Pedro Avenue

Roundabout - know your exit number before entering

6

7.2 mi into trip | ~12m in | Northwest Loop 410

Turn left onto Northwest Loop 410

Lane positioning matters here

Use the left lane.

6

7.4 mi into trip | ~12m in

Take the ramp toward I 410 West

Lane positioning matters here

Use the left lane. Toward I 410 West

8

8.1 mi into trip | ~13m in

Take the exit toward Honeysuckle Lane, Frontage Road

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 19A Toward Honeysuckle Lane, Frontage Road

Main Roads

Road	Distance	Duration
San Pedro Avenue	6.1 mi	10m
Navarro Street	0.8 mi	1m
Connally Loop	0.5 mi	<1m
Northwest Loop 410	0.2 mi	<1m
West Market Street	0.2 mi	<1m
South Gardenview Drive	0.1 mi	<1m
Roleto Drive	0.1 mi	<1m
Dolorosa Street	<0.1 mi	<1m

Longest stretch: San Pedro Avenue — 6.1 mi, about 10m

Turn-by-Turn Driving Directions

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

1

Start on Dolorosa Street

143 ft · 4 sec · Dolorosa Street

2

Continue on West Market Street

0.2 mi · 28 sec · West Market Street

3

Turn left onto Navarro Street

0.8 mi · 1 min · Navarro Street

4

Enter roundabout onto San Pedro Avenue

85 ft · 1 sec · San Pedro Avenue

5

Continue on San Pedro Avenue

6.1 mi · 10 min · San Pedro Avenue

Use the left lane.

6

Turn left onto Northwest Loop 410

0.2 mi · 23 sec · Northwest Loop 410

Use the left lane.

7

Take the ramp

0.2 mi · 22 sec

Toward I 410 West Use the left lane.

8

Merge onto I 410

0.5 mi · 36 sec · Connally Loop

9

Take the exit

0.2 mi · 21 sec

Exit 19A Toward Honeysuckle Lane, Frontage Road Use the slight right lane.

10

Turn right onto Roleto Drive

0.1 mi · 28 sec · Roleto Drive

11

Turn right onto South Gardenview Drive

0.1 mi · 30 sec · South Gardenview Drive

12

Arrive at destination

South Gardenview Drive

Fuel & Cost

Regular Gas

$1.28 one way

$2.57 round trip

$3.84/gal 25.4 MPG avg 3 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$4.20	$1.41	$2.81
premium	$4.54	$1.52	$3.04
diesel	$5.61	$1.88	$3.75

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$1

Estimated CO2 emission: 3 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $1 in charging · 0 stops · 67% less CO₂

Vehicle Type	kWh	DC Fast	Home Charge
Average EV	2.6	$0.89	$0.41
Efficient EV	2.1	$0.74	$0.34
EV Truck/SUV	3.4	$1.19	$0.54

Gas CO2

3 kg

EV CO2

1 kg (67% 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 Apr 15, 2026

Origin

San Antonio, TX

Morning in San Antonio on Thursday

Local time

10:49 AM

CDT

Current temp

77°F

Unavailable

Live forecast

Destination

Castle Hills, TX

Morning in Castle Hills on Thursday

Local time

10:49 AM

CDT

Current temp

74°F

Unavailable

Live forecast

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

3 degrees cooler at arrival

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

Road read

15m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

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

Frequently Asked Questions

The drive from San Antonio, TX to Castle Hills, TX covers 8.5 miles and takes about 15m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are San Pedro Avenue, Navarro Street, Connally Loop. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 4.3 miles from San Antonio, TX. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $1.28 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This drive requires moderate attention. Across 8.5 miles you will encounter 9 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

The main spots that need attention: at 0.2 miles (Navarro Street): Navigation decision point; at 1.1 miles (San Pedro Avenue): Roundabout - know your exit number before entering; at 7.2 miles (Northwest Loop 410): Lane positioning matters here.

The route from San Antonio, TX to Castle Hills, TX does not surface many named destination signs beyond the main corridor.

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