How far is San Antonio, TX from Sealy, TX?

The driving distance from San Antonio, TX to Sealy, TX is about 147.2 miles (236.9 km), with a travel time of about 02h 34m by car.

  • The straight-line flight distance is about 142.5 miles (229.3 km).
  • For a round trip, plan for roughly 05h 08m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
147.19 mi
02h 34m
Flight
142.51 mi
229.34 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from San Antonio.

Flight Distance

Direct air line
142.51 mi
Kilometers
229.34 km
Flight Time
00h 17m

Driving Distance

Road route
147.19 mi
Kilometers
236.88 km
Drive Time
02h 34m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 02h 34m.

Arrival Snapshot
Arrive in Sealy
Thu, Apr 23, 5:00 AM CDT
Return by in San Antonio
Thu, Apr 23, 7:34 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-04-23T02:26
Arrive Sealy
Thu, Apr 23, 5:00 AM CDT
Route Timing
02h 34m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:34 AM to 12:34 PM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:22 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in San Antonio
9:30 PM CDT
Morning start is best

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Waelder
TX

City in Gonzales County, Texas, United States

From San Antonio
73.5 mi
01h 17m
To Sealy
73.7 mi
01h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 10 mph SSE
Destination
84°F
Thursday

Partly Sunny then Slight Chance Showers And Thunderstorms

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph SE

Driving Route Map

The map below follows the saved road route between San Antonio and Sealy.

Turn-by-Turn Driving Directions

Step-by-step road directions between San Antonio and Sealy.

  1. 1

    Start on Dolorosa Street

    44 m · 5 sec · Dolorosa Street

  2. 2

    Continue on West Market Street

    1893 ft · 42 sec · West Market Street

  3. 3

    Continue on East Market Street

    2143 ft · 46 sec · East Market Street

  4. 4

    Turn left

    111 m · 13 sec

  5. 5

    Turn straight onto East Commerce Street

    1.2 km · 1 min · East Commerce Street

  6. 6

    Keep slight left to continue on East Commerce Street

    2.7 mi · 4 min · East Commerce Street

  7. 7

    Turn slight right onto East Houston Street

    1349 ft · 31 sec · East Houston Street

  8. 8

    Turn left onto Interstate 10 East

    583 ft · 12 sec · Interstate 10 East

  9. 9

    Take the ramp slight left toward I 10 East, US 90 East

    874 ft · 21 sec

  10. 10

    Merge slight left onto Jose Lopez Freeway

    1.8 mi · 2 min · Jose Lopez Freeway

  11. 11

    Continue on 90th Infantry Division Highway

    22.2 mi · 23 min · 90th Infantry Division Highway

  12. 12

    Continue on I 10 East: Houston, Austin, Waco

    116.3 mi · 1 hr 56 min

  13. 13

    Take the exit slight right toward TX 36: Sealy, Bellville

    1005 ft · 25 sec

  14. 14

    Turn straight onto Frontage Road

    1.2 km · 2 min · Frontage Road

  15. 15

    At the end of the road, turn left onto Meyer Street

    1.2 mi · 2 min · Meyer Street

  16. 16

    Turn right

    16 m · 9 sec

  17. 17

    Turn left

    63 m · 15 sec

  18. 18

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between San Antonio and Sealy.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
18 steps
8 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
12.2 / 100 mi
Decision points by distance
Main Roads
I 10 East
116 mi · 79%
90th Infantry Division Highway
22.2 mi · 15%
East Commerce Street
3.46 mi · 2%
Jose Lopez Freeway
1.76 mi · 1%
Meyer Street
1.16 mi · 1%
Frontage Road
0.73 mi
Longest Stretch

I 10 East

Continue on I 10 East: Houston, Austin, Waco

116 mi · 01h 56m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 34m
Day trip friendly
Same-Day Return
05h 08m
Round-trip wheel time
Road vs Air
+4.7 mi
142.5 mi direct line
Halfway Stop
Waelder
01h 17m from San Antonio
Leave By
1:22 PM CDT
Morning start is best
Weather Watch

Mostly Cloudy leaving San Antonio and Partly Sunny then Slight Chance Showers And Thunderstorms near Sealy.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Antonio to Sealy?

The road trip is about 147.2 miles (236.9 km) and usually takes 02h 34m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Waelder is a useful midpoint, sitting about 73.5 miles from San Antonio and 73.7 miles from Sealy.

How much longer is the road route than the straight-line distance?

The direct path is about 142.5 miles (229.3 km), while the road route adds roughly 4.7 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:22 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.61 one way or $39.23 round trip. Estimated CO2 is about 46.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around San Antonio and Partly Sunny then Slight Chance Showers And Thunderstorms near Sealy.

Stop Ideas Near Waelder

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Waelder, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Waelder.

RAIL

San Marcos Station

65 mi away
338 South Guadalupe St.
RAIL

Austin

78 mi away
250 North Lamar Blvd.
RAIL

Taylor

98 mi away
118 East First St.
RAIL

San Antonio Station

118 mi away
350 Hoefgen Street

Flight Path Map

This map shows the direct air route between San Antonio and Sealy. Straight-line distance: 142.51 mi (229.34 km).

San Antonio

#1 San Antonio

The seventh most populous city in the United States and the center of the San Antonio metropolitan area.

Population1,567,118
Coordinates29.4241200, -98.4936300
Altitude198
CountryUnited States
Sealy

#2 Sealy

City in Texas, United States

Population6,443
Coordinates29.7807900, -96.1571800
Altitude61
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Sealy (-96.15718, 29.78079)

Estimated Travel Time

Distance: 237 km by road

SpeedTime
30 mph (48.3 km/h)04h 54m
40 mph (64.37 km/h)03h 40m
50 mph (80.47 km/h)02h 56m
60 mph (96.56 km/h)02h 27m
70 mph (112.65 km/h)02h 06m
80 mph (129 km/h)01h 50m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.19 gal
19.66 L · about $19.61
Round trip
$39.23
10.38 gal · 39.32 L
Estimated CO2
46.1 kg one way
Round trip: 92.2 kg / 203 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $19.61 $39.23
Mid-grade $4.25 $22.07 $44.14
Premium $4.59 $23.83 $47.65
Diesel $3.99 $20.72 $41.45

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Texas · Apr 23, 2026

There is no time difference between San Antonio and Sealy. The current time is 02:26:29.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.