Trip from Webster, TX to San Antonio, TX

Drive Time

3h 55m

Distance

218.4 mi

351 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$33

one way

EV Charging

Loading...

station data

Best Time to Leave

Save up to 39 min
4 AM
3h 42m ★
6 AM
3h 55m
8 AM
4h 21m
10 AM
4h 4m
12 PM
4h 2m
3 PM
4h 6m
5 PM
4h 20m
8 PM
3h 48m

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

Downtown Webster, TX, TX

Webster, TX

Thomas balabaud

Downtown San Antonio, TX, TX

San Antonio, TX

Wikimedia Commons

Trip Overview

Traveling from Webster to San Antonio covers 223.8 miles and typically takes about 3 hours and 21 minutes behind the wheel. Because this distance is manageable in a single day, you won't need to worry about booking an overnight stay unless you prefer a slower pace. Budgeting approximately $33 for fuel will keep your vehicle running for the duration of the trip. The route stays entirely within the Great Plains region of Texas, ensuring a consistent geographic feel from start to finish. Since this is a turn-heavy local drive rather than a straight interstate shot, plan for a more active time behind the wheel than you might experience on a standard highway route.

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

109.2 miles from Webster, TX

A natural place for your longest stop of the day , about 1h 57m into the drive .

Drive Character

Expect a very different experience than a standard highway cruise, as this route features a 0% highway share, relying instead on local roads like Highway 3, NASA Parkway, and the Gulf Freeway Frontage Road. Navigating these segments requires your full attention, as the path is defined by frequent turns rather than long, monotonous stretches. You will not encounter any extended, uninterrupted highway miles here; instead, the journey is characterized by the constant activity of navigating local infrastructure. It is a technical drive that demands engagement, so prepare for a hands-on experience that moves away from the typical interstate grind.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 18 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Katy Freeway is the longest continuous segment at about 174.7 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on Katy Freeway and Gulf Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near NASA Parkway.

Route Complexity 7/10

Demanding - plan breaks and stay ahead of the key maneuvers

This is a demanding drive. With 15 significant decision points across 218.4 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: near the start (NASA Parkway): Lane positioning matters here; at 24 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 198.9 miles (I 10; US 90; TX 130): Highway fork - watch signs carefully. Lane positioning matters here.

Critical Maneuvers

5 of 15 key points

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

6
0 mi into trip | ~0m in | NASA Parkway

Turn right onto NASA Parkway

Lane positioning matters here

Use the none lane.
7
24 mi into trip | ~29m in

Take the exit toward I 10 West: San Antonio

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight left / straight lanes. Exit 48B Toward I 10 West: San Antonio
6
198.9 mi into trip | ~3h 30m in | I 10; US 90; TX 130

Keep slight left at fork onto I 10; US 90; TX 130

Highway fork - watch signs carefully. Lane positioning matters here

Use the none / straight / slight right lanes.
6
210.9 mi into trip | ~3h 43m in | I 10; US 90; TX 130 / 90th Infantry Division Highway

Keep slight left at fork onto I 10; US 90; TX 130 / 90th Infantry Division Highway

Highway fork - watch signs carefully. Lane positioning matters here

Use the none / straight / slight right lanes.
8
213.3 mi into trip | ~3h 46m in

Take the exit toward Commerce Street, Houston Street

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 579 Toward Commerce Street, Houston Street

Main Roads

Road Distance Duration
Katy Freeway 174.7 mi 3h 1m
Gulf Freeway 22.3 mi 25m
I 10 12 mi 12m
East Commerce Street 4.3 mi 7m
Jose Lopez Freeway 1.6 mi 1m
NASA Parkway 0.9 mi 1m
90th Infantry Division Highway 0.8 mi <1m
Gulf Freeway Frontage Road 0.6 mi <1m
Longest stretch: Katy Freeway — 174.7 mi, about 3h 1m

Turn-by-Turn Driving Directions

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

1

Start on TX 3

64 ft · 5 sec · State Highway 3
2

Turn right onto NASA Parkway

0.9 mi · 1 min · NASA Parkway
Use the none lane.
3

Turn slight right

171 ft · 6 sec
Use the right lane.
4

Turn slight right onto Gulf Freeway Frontage Road

0.6 mi · 59 sec · Gulf Freeway Frontage Road
Use the none lane.
5

Take the ramp

0.2 mi · 28 sec
Toward I 45 North
6

Merge onto I 45

22 mi · 25 min · Gulf Freeway
Use the none lane.
7

Take the exit

0.1 mi · 17 sec
Exit 48B Toward I 10 West: San Antonio Use the slight left / straight lanes.
8

Merge onto I 10; US 90

175 mi · 3 hr 1 min · Katy Freeway
Use the none lane.
9

Keep slight left at fork onto I 10; US 90; TX 130

12 mi · 12 min · I 10; US 90; TX 130
Use the none / straight / slight right lanes.
10

Keep slight left at fork onto I 10; US 90; TX 130

0.8 mi · 51 sec · 90th Infantry Division Highway
Use the none / straight / slight right lanes.
11

Continue on I 10; US 90

1.6 mi · 1 min · Jose Lopez Freeway
Use the none / straight / slight right lanes.
12

Take the exit

0.1 mi · 19 sec
Exit 579 Toward Commerce Street, Houston Street Use the straight / slight right lanes.
13

Turn straight onto Interstate 10 East

0.3 mi · 38 sec · Interstate 10 East
Use the none lane.
14

Turn right onto East Houston Street

0.2 mi · 20 sec · East Houston Street
15

Turn slight left onto East Commerce Street

4.3 mi · 7 min · East Commerce Street
Use the none lane.
16

Turn left onto Military Plaza

392 ft · 15 sec · Military Plaza
17

Turn left onto Dolorosa Street

327 ft · 8 sec · Dolorosa Street
18

Arrive at destination

Dolorosa Street

Trip Plan

Given the turn-heavy nature of this 3-hour and 21-minute drive, try to depart early in the day to avoid peak local traffic, which can significantly increase your travel time. You only need to plan for one strategic stop to stretch your legs and refuel, keeping your $33 budget in mind as you monitor your tank. Because the route lacks high-speed highway stretches, your pace will be dictated by local traffic patterns and intersections. Use the flexibility of this short, one-day itinerary to your advantage by adjusting your departure time based on real-time traffic reports for the specific local roads you will be navigating.

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 109.2 miles from Webster, TX, or about 1h 57m into the drive.
The longest continuous stretch on this route runs about 174.7 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 80 miles or 1h 27m in

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

Halfway reset

Around 109.2 miles or 1h 57m in

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

Final approach

Final hour starts around 3h 10m

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

Before You Leave

+

Open the route before leaving Webster, 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 Webster, TX

This is one driving day of about 218.4 miles and 3h 55m.

Your first comfortable stop window is around 80 miles from Webster, 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 Katy Freeway for about 174.7 miles.

Where to Stop

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

Halfway Point

Midpoint

About 109.2 mi from Webster, TX · 1h 57m into the drive

Downtown houston-tx

Mid-route town

Meal stop

Houston, TX

109 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.

Popular next leg

Houston, TX to San Antonio, TX

195 mi · 3h 27m

Pacing Suggestions

Houston, TX

Fuel and coffee

A short stop after about 80 miles helps settle the day before fatigue starts building.

Houston, TX

Meal break

The midpoint is around 109.2 miles from Webster, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before Katy Freeway if your tank is already low. That segment runs about 174.7 miles.

Arriving in San Antonio, TX

The final approach into San Antonio, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around San Antonio, TX.

After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$33.36 one way

$66.72 round trip

$3.88/gal 25.4 MPG avg 76 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.25 $36.56 $73.12
premium $4.59 $39.48 $78.95
diesel $5.64 $48.52 $97.04

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$33

Meals

$25–$50

Total

$58–$83

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

Estimated CO2 emission: 76.4 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $23 in charging · 0 stops · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 65.5 0 $22.93 $10.48
Efficient EV 54.6 0 $19.11 $8.74
EV Truck/SUV 87.4 1 $30.58 $13.98

Gas CO2

76 kg

EV CO2

26 kg (66% less)

Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.

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 data refreshed 3 days ago

Origin

Webster, TX

Afternoon in Webster on Sunday

Local time

3:57 PM

CDT

Current temp

70°F

Unavailable

Live forecast

Destination

San Antonio, TX

Afternoon in San Antonio on Sunday

Local time

3:57 PM

CDT

Current temp

81°F

Unavailable

Live forecast

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

11 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 55m 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 Webster, TX to San Antonio, TX covers 218.4 miles and takes about 3h 55m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Katy Freeway, Gulf Freeway, I 10. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 109.2 miles from Webster, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $33.36 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a demanding drive. With 15 significant decision points across 218.4 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.
The main spots that need attention: near the start (NASA Parkway): Lane positioning matters here; at 24 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 198.9 miles (I 10; US 90; TX 130): Highway fork - watch signs carefully. Lane positioning matters here.
The route from Webster, TX to San Antonio, TX does not surface many named destination signs beyond the main corridor.

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Return Trip

San Antonio, TX to Webster, TX

Plan the drive back the other way.

218.3 mi 3h 55m

Explore more options from Webster, TX or browse trips ending in San Antonio, TX.

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