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

The driving distance from Rosharon, TX to San Antonio, TX is about 207.9 miles (334.6 km), with a travel time of about 03h 41m by car.

  • The straight-line flight distance is about 182.7 miles (294 km).
  • For a round trip, plan for roughly 07h 22m 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
207.89 mi
03h 41m
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 Rosharon.

Flight Distance

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

Driving Distance

Road route
207.89 mi
Kilometers
334.57 km
Drive Time
03h 41m

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 41m.

Arrival Snapshot
Arrive in San Antonio
Mon, Nov 9, 4:04 PM CST
Return by in Rosharon
Mon, Nov 9, 7:45 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rosharon
2026-11-09T12:23
Arrive San Antonio
Mon, Nov 9, 4:04 PM CST
Route Timing
03h 41m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CST
Leave early for more breathing room
Arrive between
9:41 AM to 11:41 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
9:38 AM CST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Rosharon
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 Rosharon
105.9 mi
01h 50m
To San Antonio
102 mi
01h 50m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Monday

Chance Rain Showers

Starts
Mon, Nov 9 6:00 AM CST
Wind
5 mph E
Destination
66°F
Today

Rain Showers

Starts
Mon, Nov 9 10:00 AM CST
Wind
5 to 10 mph ENE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on 1st Street

    11 m · 7 sec · 1st Street

  2. 2

    Turn left onto 1st Avenue

    127 m · 20 sec · 1st Avenue

  3. 3

    Turn right onto FM 521

    11.2 mi · 17 min · FM 521

  4. 4

    Turn left

    2750 ft · 2 min

  5. 5

    Turn straight

    1.3 km · 1 min

  6. 6

    Continue straight

    891 ft · 17 sec

  7. 7

    Continue straight

    2.5 mi · 4 min

  8. 8

    Continue straight

    9.1 mi · 15 min

  9. 9

    Turn slight right

    76 m · 5 sec

  10. 10

    Continue on State Highway 6 South Frontage Road

    1 km · 1 min · State Highway 6 South Frontage Road

  11. 11

    Turn left onto US Highway 90A

    2.3 mi · 4 min · US Highway 90A

  12. 12

    Turn right onto West Grand Parkway South

    2767 ft · 1 min · West Grand Parkway South

  13. 13

    Merge slight left onto West Grand Parkway South

    14.2 mi · 16 min · West Grand Parkway South

  14. 14

    Take the exit slight right toward I 10 West, I 10 East: San Antonio, Houston

    2303 ft · 56 sec

  15. 15

    Keep slight left to continue on I 10 West: San Antonio

    1.3 km · 2 min

  16. 16

    Merge slight left onto Katy Freeway

    149.1 mi · 2 hr 30 min · Katy Freeway

  17. 17

    Keep slight left

    12 mi · 13 min

  18. 18

    Keep slight left to continue on 90th Infantry Division Highway

    1.2 km · 52 sec · 90th Infantry Division Highway

  19. 19

    Continue on Jose Lopez Freeway

    1.6 mi · 2 min · Jose Lopez Freeway

  20. 20

    Take the exit slight right toward Commerce Street, Houston Street

    790 ft · 19 sec

  21. 21

    Turn straight onto Interstate 10 East

    1830 ft · 39 sec · Interstate 10 East

  22. 22

    Turn right onto East Houston Street

    963 ft · 20 sec · East Houston Street

  23. 23

    Turn slight left onto East Commerce Street

    4.3 mi · 7 min · East Commerce Street

  24. 24

    Turn left onto Military Plaza

    119 m · 16 sec · Military Plaza

  25. 25

    Turn left onto Dolorosa Street

    100 m · 8 sec · Dolorosa Street

  26. 26

    Arrive at your destination

    0 m · 1 sec · Dolorosa Street

Car Route Details

A richer read on the saved driving route between Rosharon 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
26 steps
12 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
12.5 / 100 mi
Decision points by distance
Main Roads
Katy Freeway
161 mi · 78%
FM 521
23 mi · 11%
West Grand Parkway South
14.7 mi · 7%
East Commerce Street
4.32 mi · 2%
US Highway 90A
2.32 mi · 1%
Jose Lopez Freeway
1.6 mi · 1%
Longest Stretch

Katy Freeway

Merge slight left onto Katy Freeway

149 mi · 02h 30m

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 41m
Long day trip
Same-Day Return
07h 22m
Round-trip wheel time
Road vs Air
+25.2 mi
182.7 mi direct line
Halfway Stop
Weimar
01h 50m from Rosharon
Leave By
9:38 AM CST
Early departure recommended
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 207.9 miles (334.6 km) and usually takes 03h 41m 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 105.9 miles from Rosharon and 102 miles from San Antonio.

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 25.2 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 9:38 AM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.61 one way or $51.22 round trip. Estimated CO2 is about 65.2 kg one way.

What should you check before leaving?

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

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 Rosharon and San Antonio. Straight-line distance: 182.68 mi (294 km).

Photo coming soon

#1 Rosharon

Rosharon is a place in Texas, United States.

Population0
Coordinates29.3521800, -95.4602200
Altitude15
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: 1st Street (-95.460226, 29.352178)
End: Dolorosa Street (-98.493645, 29.424163)

Estimated Travel Time

Distance: 335 km by road

SpeedTime
30 mph (48.3 km/h)06h 55m
40 mph (64.37 km/h)05h 11m
50 mph (80.47 km/h)04h 09m
60 mph (96.56 km/h)03h 27m
70 mph (112.65 km/h)02h 58m
80 mph (129 km/h)02h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.34 gal
27.77 L · about $25.61
Round trip
$51.22
14.68 gal · 55.54 L
Estimated CO2
65.2 kg one way
Round trip: 130.5 kg / 288 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.49 $25.61 $51.22
Mid-grade $4.00 $29.34 $58.68
Premium $4.38 $32.11 $64.23
Diesel $5.60 $41.13 $82.27

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 Rosharon and San Antonio. The current time is 12:23:28.

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.