Origin
San Antonio, TX
Afternoon in San Antonio on Sunday
Local time
3:11 PM
CDT
Current temp
81°F
Unavailable
Live forecast
Trip from San Antonio, TX to Baytown, TX
Drive Time
3h 57m
Distance
219.8 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 44m
★
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.
San Antonio, TX
Wikimedia Commons
Baytown, TX
daydream
Trip Overview
Traveling from San Antonio to Baytown covers 219.8 miles and typically takes about 3 hours and 57 minutes of driving time. Because the route relies on local roads like West Market Street, East Market Street, and East Commerce Street rather than high-speed interstates, it functions best as a single-day trip. You should budget approximately $33 for fuel to complete the journey. Both cities sit within the Great Plains region of Texas, ensuring a consistent geographic feel throughout your drive. Since the route involves a turn-heavy local layout, plan for a steady pace rather than a quick sprint. This trip is straightforward enough to tackle in one go, provided you are prepared for the frequent navigation required by the local road network.
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
109.9 miles from San Antonio, TX
A natural place for your longest stop of the day , about 1h 56m into the drive .
Drive Character
Expect a turn-heavy local drive that demands your full attention behind the wheel. Unlike a monotonous interstate slog, this 219.8-mile journey keeps you engaged with a 0% highway share, meaning you will navigate surface streets for the entire duration. There are no long, uninterrupted stretches of highway; in fact, the longest segment on West Market Street is 0 miles, reflecting the frequent turns and shifts in direction. The road’s personality is defined by its local character, requiring you to stay alert for intersections and directional changes. Navigating these local arteries provides a practical, if intensive, way to traverse the distance between these two Texas hubs.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 22 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 10 is the longest continuous segment at about 151.1 miles.
How Hard Is This Drive?
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 0.8 miles in.
Route Complexity
9/10
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 13 significant decision points across 219.8 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 0.8 miles: Lane positioning matters here; at 4.6 miles (Interstate 10 East): Lane positioning matters here; at 4.7 miles: Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 13 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
0.8 mi into trip
|
~1m in
Turn left
Lane positioning matters here
Use the left lane.
6
4.6 mi into trip
|
~7m in
|
Interstate 10 East
Turn left onto Interstate 10 East
Lane positioning matters here
Use the left / straight lanes.
7
4.7 mi into trip
|
~7m in
Take the ramp toward I 10 East, US 90 East
Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight left lanes.
Toward I 10 East, US 90 East
6
179.9 mi into trip
|
~3h 7m in
Take the exit toward I 10 Toll: Katy Tollway
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight left lane.
Toward I 10 Toll: Katy Tollway
7
213.7 mi into trip
|
~3h 49m in
|
Spur 330 / Decker Drive
Keep slight right at fork onto Spur 330 / Decker Drive toward Spur 330: Baytown
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward Spur 330: Baytown
Towns Along This Route
Between San Antonio, TX and Baytown, TX, road signs point toward Austin and Waco.
Austin
28.8 mi in
|
~33m
|
via I 10; TX 130
Waco
28.8 mi in
|
~33m
|
via I 10; TX 130
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 10 | 151.1 mi | 2h 34m |
| 90th Infantry Division Highway | 22.2 mi | 23m |
| East Freeway | 19.1 mi | 23m |
| Katy Freeway | 10.9 mi | 13m |
| Decker Drive | 5.9 mi | 7m |
| East Commerce Street | 3.5 mi | 5m |
| Katy Tollway | 3.2 mi | 4m |
| Jose Lopez Freeway | 1.8 mi | 2m |
Longest stretch:
I 10
— 151.1 mi, about 2h 34m
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio, TX and Baytown, TX.
1
Start on Dolorosa Street
143 ft
·
4 sec
·
Dolorosa Street
2
Continue on West Market Street
0.4 mi
·
42 sec
·
West Market Street
3
Continue on East Market Street
0.4 mi
·
45 sec
·
East Market Street
4
Turn left
363 ft
·
13 sec
Use the left lane.
5
Turn straight onto East Commerce Street
0.7 mi
·
1 min
·
East Commerce Street
6
Keep slight left at fork onto East Commerce Street
2.7 mi
·
4 min
·
East Commerce Street
7
Turn slight right onto East Houston Street
0.3 mi
·
30 sec
·
East Houston Street
8
Turn left onto Interstate 10 East
0.1 mi
·
11 sec
·
Interstate 10 East
Use the left / straight lanes.
9
Take the ramp
0.2 mi
·
21 sec
Toward I 10 East, US 90 East
Use the straight / slight left lanes.
10
Merge onto I 10; US 90
1.8 mi
·
2 min
·
Jose Lopez Freeway
Use the straight / slight right lanes.
11
Continue on I 10; US 90
22 mi
·
23 min
·
90th Infantry Division Highway
Use the slight right lane.
12
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.
13
Take the exit
0.3 mi
·
22 sec
Toward I 10 Toll: Katy Tollway
Use the slight left lane.
14
Merge onto I 10 Toll
3.2 mi
·
4 min
·
Katy Tollway
15
Take the exit
0.2 mi
·
15 sec
Use the straight / slight right lanes.
16
Merge onto I 10; US 90
11 mi
·
13 min
·
Katy Freeway
Use the slight left lane.
17
Continue on I 10; US 90
5.8 mi
·
7 min
·
East Freeway
Use the straight / right lanes.
18
Keep slight left at fork onto I 10
13 mi
·
16 min
·
East Freeway
Use the straight / right lanes.
19
Keep slight right at fork onto Spur 330
4.5 mi
·
5 min
·
Decker Drive
Toward Spur 330: Baytown
Use the straight / slight right lanes.
20
Take the exit
0.3 mi
·
34 sec
Toward Spur 330
Use the slight right lane.
21
Continue on Decker Drive
1.3 mi
·
2 min
·
Decker Drive
22
Arrive at destination
Decker Drive
Trip Plan
To keep your drive manageable, plan for at least one stop to stretch your legs and break up the turn-heavy navigation. Since this is a local road route, avoid departing during peak local traffic hours to prevent unnecessary frustration. Budgeting $33 for fuel should be sufficient, but keep an eye on your tank as local road driving can sometimes be less fuel-efficient than consistent highway speeds. Because the entire 219.8-mile trip is manageable in a single day, enjoy the flexibility to start your journey whenever it best fits your schedule. A key tip for this specific route is to keep your GPS active and ready for frequent turn alerts, as the reliance on East Market and East Commerce Streets requires constant course verification.
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 109.9 miles from San Antonio, TX, or about 1h 56m 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 80 miles or 1h 25m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 109.9 miles or 1h 56m 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 8m
Traffic, exits, and arrival timing usually matter more near Baytown, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving San Antonio, 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 San Antonio, TX
This is one driving day of about 219.8 miles and 3h 57m.
Your first comfortable stop window is around 80 miles from San Antonio, 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.
Halfway Point
Midpoint
About 109.9 mi from San Antonio, TX · 1h 56m 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 109.9 miles from San Antonio, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 10 if your tank is already low. That segment runs about 151.1 miles.
Arriving in Baytown, TX
The final approach into Baytown, 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 Baytown, 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
$33.58 one way
$67.15 round trip
$3.88/gal
25.4 MPG avg
77 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $36.79 | $73.59 |
| premium | $4.59 | $39.73 | $79.46 |
| diesel | $5.64 | $48.83 | $97.66 |
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
$34
Tolls
$0
Meals
$25–$50
Total
$59–$84
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 76.9 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 | 65.9 | 0 | $23.08 | $10.55 |
| Efficient EV | 55 | 0 | $19.23 | $8.79 |
| EV Truck/SUV | 87.9 | 1 | $30.77 | $14.07 |
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
Baytown, TX
Afternoon in Baytown on Sunday
Local time
3:11 PM
CDT
Current temp
70°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 cooler 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 San Antonio, TX to Baytown, TX covers 219.8 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 I 10, 90th Infantry Division Highway, East Freeway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 109.9 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 $33.58 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 13 significant decision points across 219.8 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 0.8 miles: Lane positioning matters here; at 4.6 miles (Interstate 10 East): Lane positioning matters here; at 4.7 miles: Lane positioning matters here. Multiple destination signs - pick the right one.
Between San Antonio, TX and Baytown, TX, road signs point toward Austin and Waco.
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