Origin
Baytown, TX
Afternoon in Baytown on Sunday
Local time
3:05 PM
CDT
Current temp
70°F
Unavailable
Live forecast
Trip from Baytown, TX to San Antonio, TX
Drive Time
3h 57m
Distance
220 mi
354 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$34
one way
Best Time to Leave
4 AM
3h 45m
★
6 AM
3h 57m
8 AM
4h 23m
10 AM
4h 6m
12 PM
4h 4m
3 PM
4h 8m
5 PM
4h 22m
8 PM
3h 50m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Baytown, TX
daydream
San Antonio, TX
Wikimedia Commons
Trip Overview
Traveling from Baytown to San Antonio covers 222.2 miles across the Great Plains, typically taking around 3 hours and 21 minutes of drive time. Because the duration is relatively manageable, this route is perfectly suited for a single-day trip, allowing you to reach your destination without needing an overnight stay. You should budget approximately $33 for fuel to complete the journey. You will start by navigating local routes like Spur 330 West, Decker Drive, and the East Freeway before transitioning toward the San Antonio area. It is a straightforward trek that keeps you within the same region, making it an efficient choice for those looking to travel between these two Texas hubs.
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
110 miles from Baytown, TX
A natural place for your longest stop of the day , about 1h 58m into the drive .
Drive Character
Expect a turn-heavy local drive rather than a monotonous interstate cruise, as this route features a 0% highway share. Because the longest stretch on any single road—Spur 330 West—is 0 miles, you will find yourself navigating frequent transitions between local roads and city streets. The character of the drive is defined by these constant adjustments rather than long, uninterrupted highway miles. You should stay alert as you maneuver through these local segments, which require more active focus than a standard high-speed commute. This technical, winding progression keeps the trip engaging as you make your way across the landscape.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 15 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 175.2 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on Katy Freeway and East Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1.7 miles in near Spur 330 / Decker Drive.
Route Complexity
7/10
Demanding - plan breaks and stay ahead of the key maneuvers
This is a demanding drive. With 9 significant decision points across 220 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 1.7 miles (Spur 330 / Decker Drive): Merge point - match speed before joining. Lane positioning matters here; at 6.4 miles (I 10 / East Freeway): Merge point - match speed before joining. Lane positioning matters here; at 200.5 miles (I 10; US 90; TX 130): Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 9 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
1.7 mi into trip
|
~2m in
|
Spur 330 / Decker Drive
Merge onto Spur 330 / Decker Drive
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
5
6.4 mi into trip
|
~7m in
|
I 10 / East Freeway
Merge onto I 10 / East Freeway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
200.5 mi into trip
|
~3h 32m 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 straight / slight right lanes.
6
212.6 mi into trip
|
~3h 45m 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 straight / slight right lanes.
8
214.9 mi into trip
|
~3h 48m 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 | 175.2 mi | 3h 2m |
| East Freeway | 18.9 mi | 23m |
| I 10 | 12 mi | 12m |
| Decker Drive | 6 mi | 7m |
| East Commerce Street | 4.3 mi | 7m |
| Jose Lopez Freeway | 1.6 mi | 1m |
| 90th Infantry Division Highway | 0.8 mi | <1m |
| Interstate 10 East | 0.3 mi | <1m |
Longest stretch:
Katy Freeway
— 175.2 mi, about 3h 2m
Turn-by-Turn Driving Directions
Step-by-step road directions between Baytown, TX and San Antonio, TX.
1
Start on Decker Drive
1.3 mi
·
1 min
·
Decker Drive
2
Take the ramp
0.4 mi
·
27 sec
Toward Spur 330 West
3
Merge onto Spur 330
4.7 mi
·
5 min
·
Decker Drive
Use the straight / slight right lanes.
4
Merge onto I 10
19 mi
·
23 min
·
East Freeway
Use the straight / slight right lanes.
5
Continue on I 10; US 90
175 mi
·
3 hr 2 min
·
Katy Freeway
Use the straight lane.
6
Keep slight left at fork onto I 10; US 90; TX 130
12 mi
·
12 min
·
I 10; US 90; TX 130
Use the straight / slight right lanes.
7
Keep slight left at fork onto I 10; US 90; TX 130
0.8 mi
·
51 sec
·
90th Infantry Division Highway
Use the straight / slight right lanes.
8
Continue on I 10; US 90
1.6 mi
·
1 min
·
Jose Lopez Freeway
Use the straight / slight right lanes.
9
Take the exit
0.1 mi
·
19 sec
Exit 579
Toward Commerce Street, Houston Street
Use the straight / slight right lanes.
10
Turn straight onto Interstate 10 East
0.3 mi
·
38 sec
·
Interstate 10 East
11
Turn right onto East Houston Street
0.2 mi
·
20 sec
·
East Houston Street
12
Turn slight left onto East Commerce Street
4.3 mi
·
7 min
·
East Commerce Street
13
Turn left onto Military Plaza
392 ft
·
15 sec
·
Military Plaza
14
Turn left onto Dolorosa Street
327 ft
·
8 sec
·
Dolorosa Street
15
Arrive at destination
Dolorosa Street
Trip Plan
Since this is a 222.2-mile journey, planning for at least one stop will help you stay refreshed during the 3-hour and 21-minute drive. Aim to depart early in the day to avoid peak congestion on the local roads that make up this route. Keep your $33 fuel budget in mind when planning your stops, and try to fill up before you hit the more urbanized sections of your path. Because the route relies on local roads rather than high-speed highways, prioritize patience and flexibility with your arrival time. A helpful tip for this specific drive is to keep a close eye on your navigation app, as the turn-heavy nature of the route requires frequent attention to your turns and road changes.
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 110 miles from Baytown, TX, or about 1h 58m into the drive.
The longest continuous stretch on this route runs about 175.2 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 110 miles or 1h 58m 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 12m
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 Baytown, 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 Baytown, TX
This is one driving day of about 220 miles and 3h 57m.
Your first comfortable stop window is around 80 miles from Baytown, 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 175.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 110 mi from Baytown, TX · 1h 58m into the drive
Mid-route town
Meal stop
110 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
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 110 miles from Baytown, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Katy Freeway if your tank is already low. That segment runs about 175.2 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
$33.61 one way
$67.21 round trip
$3.88/gal
25.4 MPG avg
77 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $36.83 | $73.66 |
| premium | $4.59 | $39.76 | $79.53 |
| diesel | $5.64 | $48.88 | $97.75 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$34
Meals
$25–$50
Total
$59–$84
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 77 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 | 66 | 0 | $23.10 | $10.56 |
| Efficient EV | 55 | 0 | $19.25 | $8.80 |
| EV Truck/SUV | 88 | 1 | $30.80 | $14.08 |
Gas CO2
77 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.
Destination
San Antonio, TX
Afternoon in San Antonio on Sunday
Local time
3:05 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 57m 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 Baytown, TX to San Antonio, TX covers 220 miles and takes about 3h 57m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Katy Freeway, East 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 110 miles from Baytown, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $33.61 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 9 significant decision points across 220 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: at 1.7 miles (Spur 330 / Decker Drive): Merge point - match speed before joining. Lane positioning matters here; at 6.4 miles (I 10 / East Freeway): Merge point - match speed before joining. Lane positioning matters here; at 200.5 miles (I 10; US 90; TX 130): Highway fork - watch signs carefully. Lane positioning matters here.
The route from Baytown, TX to San Antonio, TX does not surface many named destination signs beyond the main corridor.
Was this route helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From San Antonio, TX
More trips to San Antonio, TX
Explore more options from Baytown, TX or browse trips ending in San Antonio, TX.
Looking for more statewide routes? Browse TX road trips.
Explore maps for Baytown, TX or San Antonio, TX on MapSof.net.