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

The driving distance from Sealy, TX to San Antonio, TX is about 149.5 miles (240.6 km), with a travel time of about 02h 19m by car.

  • The straight-line flight distance is about 142.5 miles (229.3 km).
  • For a round trip, plan for roughly 04h 39m 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
149.52 mi
02h 19m
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 Sealy.

Flight Distance

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

Driving Distance

Road route
149.52 mi
Kilometers
240.63 km
Drive Time
02h 19m

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 19m.

Arrival Snapshot
Arrive in San Antonio
Thu, Apr 23, 3:16 AM CDT
Return by in Sealy
Thu, Apr 23, 5:36 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sealy
2026-04-23T00:56
Arrive San Antonio
Thu, Apr 23, 3:16 AM CDT
Route Timing
02h 19m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:20 AM to 12:20 PM CDT

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

Leave by
1:50 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sealy
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 Sealy
73.6 mi
01h 09m
To San Antonio
76 mi
01h 09m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
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
Destination
85°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 10 mph SSE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    15 m · 6 sec

  2. 2

    Turn right onto Main Street

    93 m · 14 sec · Main Street

  3. 3

    Continue on Main Street

    128 m · 25 sec · Main Street

  4. 4

    Turn left onto Meyer Street

    1.1 mi · 2 min · Meyer Street

  5. 5

    Turn right

    1817 ft · 50 sec

  6. 6

    Continue on I-10 Frontage Road

    1647 ft · 45 sec · I-10 Frontage Road

  7. 7

    Take the ramp slight left

    1148 ft · 28 sec

  8. 8

    Merge slight left

    125.7 mi · 2 hr 6 min

  9. 9

    Keep slight left

    12 mi · 13 min

  10. 10

    Keep slight left to continue on 90th Infantry Division Highway

    1.2 km · 52 sec · 90th Infantry Division Highway

  11. 11

    Continue on Jose Lopez Freeway

    1.6 mi · 2 min · Jose Lopez Freeway

  12. 12

    Take the exit slight right toward Commerce Street, Houston Street

    790 ft · 19 sec

  13. 13

    Turn straight onto Interstate 10 East

    1830 ft · 39 sec · Interstate 10 East

  14. 14

    Turn right onto East Houston Street

    963 ft · 20 sec · East Houston Street

  15. 15

    Turn slight left onto East Commerce Street

    4.3 mi · 7 min · East Commerce Street

  16. 16

    Turn left onto Military Plaza

    119 m · 16 sec · Military Plaza

  17. 17

    Turn left onto Dolorosa Street

    100 m · 8 sec · Dolorosa Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · Dolorosa Street

Car Route Details

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

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 / 100 mi
Decision points by distance
Main Roads
I-10 Frontage Road
138 mi · 92%
East Commerce Street
4.32 mi · 3%
Jose Lopez Freeway
1.6 mi · 1%
Meyer Street
1.09 mi · 1%
90th Infantry Division Highway
0.75 mi · 1%
Interstate 10 East
0.35 mi
Longest Stretch

I-10 Frontage Road

Merge slight left

126 mi · 02h 06m

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 19m
Day trip friendly
Same-Day Return
04h 40m
Round-trip wheel time
Road vs Air
+7 mi
142.5 mi direct line
Halfway Stop
Waelder
01h 09m from Sealy
Leave By
1:50 PM CDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 149.5 miles (240.6 km) and usually takes 02h 19m 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 73.6 miles from Sealy and 76 miles from San Antonio.

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 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 1:50 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.95 one way or $39.91 round trip. Estimated CO2 is about 46.9 kg one way.

What should you check before leaving?

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

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 Sealy and San Antonio. Straight-line distance: 142.51 mi (229.34 km).

Sealy

#1 Sealy

City in Texas, United States

Population6,443
Coordinates29.7807900, -96.1571800
Altitude61
CountryUnited States
San Antonio

#2 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
Start: Main Street (-96.157218, 29.78093)
End: Dolorosa Street (-98.493645, 29.424163)

Estimated Travel Time

Distance: 241 km by road

SpeedTime
30 mph (48.3 km/h)04h 58m
40 mph (64.37 km/h)03h 44m
50 mph (80.47 km/h)02h 59m
60 mph (96.56 km/h)02h 29m
70 mph (112.65 km/h)02h 08m
80 mph (129 km/h)01h 51m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.28 gal
19.97 L · about $19.95
Round trip
$39.91
10.56 gal · 39.94 L
Estimated CO2
46.9 kg one way
Round trip: 93.8 kg / 207 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $19.95 $39.91
Mid-grade $4.25 $22.45 $44.90
Premium $4.59 $24.24 $48.48
Diesel $3.99 $21.08 $42.17

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 Sealy and San Antonio. The current time is 00:56:58.

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.