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

The driving distance from San Antonio, TX to Rosharon, TX is about 211.8 miles (340.8 km), with a travel time of about 03h 57m by car.

  • The straight-line flight distance is about 182.7 miles (294 km).
  • For a round trip, plan for roughly 07h 55m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
211.73 mi
03h 57m
Flight
182.68 mi
294 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from San Antonio.

Flight Distance

Direct air line
182.68 mi
Kilometers
294 km
Flight Time
00h 22m

Driving Distance

Road route
211.73 mi
Kilometers
340.75 km
Drive Time
03h 57m

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 03h 57m.

Arrival Snapshot
Arrive in Rosharon
Mon, Nov 9, 5:24 PM CST
Return by in San Antonio
Mon, Nov 9, 9:22 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-11-09T13:26
Arrive Rosharon
Mon, Nov 9, 5:24 PM CST
Route Timing
03h 57m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CST
Leave early for more breathing room
Arrive between
9:58 AM to 11:58 AM CST

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:04 AM CST
Keeps a same-day return open with about 04h 00m at the destination.
Back in San Antonio
9:00 PM CST
Early departure recommended

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
Weimar
TX

City in Texas, United States

From San Antonio
105.8 mi
01h 58m
To Rosharon
106 mi
01h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Today

Rain Showers

Starts
Mon, Nov 9 10:00 AM CST
Wind
5 to 10 mph ENE
Destination
68°F
Monday

Chance Rain Showers

Starts
Mon, Nov 9 6:00 AM CST
Wind
5 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    139.6 mi · 2 hr 21 min

  13. 13

    Take the exit slight right toward TX 99 Toll North, TX 99 South: Grand Parkway

    2346 ft · 45 sec

  14. 14

    Keep slight right to continue on TX 99 South: Grand Parkway

    1.2 km · 2 min

  15. 15

    Merge slight left onto West Grand Parkway South

    14.1 mi · 17 min · West Grand Parkway South

  16. 16

    Take the exit slight right toward US 90 Alternate, FM 1464: Sandhill Drive

    3048 ft · 1 min

  17. 17

    Turn left onto East US Highway 90A

    2.3 mi · 4 min · East US Highway 90A

  18. 18

    Turn right onto State Highway 6 South Frontage Road

    5.3 mi · 9 min · State Highway 6 South Frontage Road

  19. 19

    Continue straight

    3.5 mi · 6 min

  20. 20

    Continue straight

    1997 ft · 38 sec

  21. 21

    Continue straight

    1.1 mi · 2 min

  22. 22

    Continue straight

    1.8 mi · 3 min

  23. 23

    Continue straight

    1.3 mi · 2 min

  24. 24

    Continue straight

    33 m · 2 sec

  25. 25

    Turn slight right onto FM 521

    1920 ft · 1 min

  26. 26

    Turn right onto Farm to Market 521

    11.2 mi · 17 min · Farm to Market 521

  27. 27

    Turn left onto 1st Avenue

    127 m · 20 sec · 1st Avenue

  28. 28

    Turn right onto 1st Street

    11 m · 2 sec · 1st Street

  29. 29

    Arrive at your destination

    0 m · 1 sec · 1st Street

Car Route Details

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

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
29 steps
10 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
13.7 / 100 mi
Decision points by distance
Main Roads
I 10 East
140 mi · 66%
90th Infantry Division Highway
22.2 mi · 10%
West Grand Parkway South
14.1 mi · 7%
State Highway 6 South Frontage Road
13.5 mi · 6%
Farm to Market 521
11.2 mi · 5%
East Commerce Street
3.46 mi · 2%
Longest Stretch

I 10 East

Continue on I 10 East: Houston, Austin, Waco

140 mi · 02h 21m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 57m
Long day trip
Same-Day Return
07h 56m
Round-trip wheel time
Road vs Air
+29.1 mi
182.7 mi direct line
Halfway Stop
Weimar
01h 58m from San Antonio
Leave By
9:04 AM CST
Early departure recommended
Weather Watch

Rain Showers leaving San Antonio and Chance Rain Showers near Rosharon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 211.8 miles (340.8 km) and usually takes 03h 57m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Weimar is a useful midpoint, sitting about 105.8 miles from San Antonio and 106 miles from Rosharon.

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

The direct path is about 182.7 miles (294 km), while the road route adds roughly 29.1 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 6:00 AM to 8:00 AM CST. If you want a more comfortable same-day return, try to leave by 9:04 AM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $26.06 one way or $52.13 round trip. Estimated CO2 is about 66.4 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around San Antonio and Chance Rain Showers near Rosharon.

Stop Ideas Near Weimar

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

Mid-route Guidance
Local place coverage is thin around Weimar, 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 Weimar.

BUS

Prairie View, TX

86 mi away
44814 US Highway 290 Business \r\n
RAIL

Austin

113 mi away
250 North Lamar Blvd.
RAIL

San Marcos Station

113 mi away
338 South Guadalupe St.
RAIL

Taylor

114 mi away
118 East First St.

Flight Path Map

This map shows the direct air route between San Antonio and Rosharon. Straight-line distance: 182.68 mi (294 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
Photo coming soon

#2 Rosharon

Rosharon is a place in Texas, United States.

Population0
Coordinates29.3521800, -95.4602200
Altitude15
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Rosharon (-95.46022, 29.35218)

Estimated Travel Time

Distance: 341 km by road

SpeedTime
30 mph (48.3 km/h)07h 03m
40 mph (64.37 km/h)05h 17m
50 mph (80.47 km/h)04h 14m
60 mph (96.56 km/h)03h 31m
70 mph (112.65 km/h)03h 01m
80 mph (129 km/h)02h 38m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.47 gal
28.28 L · about $26.06
Round trip
$52.13
14.94 gal · 56.56 L
Estimated CO2
66.4 kg one way
Round trip: 132.8 kg / 293 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.49 $26.06 $52.13
Mid-grade $4.00 $29.86 $59.72
Premium $4.38 $32.68 $65.36
Diesel $5.60 $41.86 $83.72

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 · Nov 09, 2026

There is no time difference between San Antonio and Rosharon. The current time is 13:26:13.

Distance to Other Cities

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