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

The driving distance from Sparks, TX to San Antonio, TX is about 155 miles (249.4 km), with a travel time of about 02h 24m by car.

  • The straight-line flight distance is about 124.1 miles (199.7 km).
  • For a round trip, plan for roughly 04h 49m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CST.
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
155 mi
02h 24m
Flight
124.06 mi
199.66 km direct

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

Learn Distance

Choose another destination from Sparks.

Flight Distance

Direct air line
124.06 mi
Kilometers
199.66 km
Flight Time
00h 14m

Driving Distance

Road route
155 mi
Kilometers
249.45 km
Drive Time
02h 24m

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 24m.

Arrival Snapshot
Arrive in San Antonio
Tue, Nov 10, 12:08 PM CST
Return by in Sparks
Tue, Nov 10, 2:33 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sparks
2026-11-10T09:43
Arrive San Antonio
Tue, Nov 10, 12:08 PM CST
Route Timing
02h 24m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CST
Aim for a morning departure
Arrive between
10:25 AM to 12:25 PM CST

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

Leave by
1:40 PM CST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sparks
9:30 PM CST
Morning start is best

This departure sits inside the recommended comfort window for the route.

Halfway Point

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

Mid-route stop
Onion Creek
TX

Census designated place

From Sparks
71.1 mi
01h 12m
To San Antonio
83.9 mi
01h 12m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Tuesday

Slight Chance Rain Showers

Starts
Tue, Nov 10 6:00 AM CST
Wind
0 to 5 mph S
Destination
70°F
Tuesday

Patchy Fog

Starts
Tue, Nov 10 6:00 AM CST
Wind
0 to 5 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on State Highway 95

    3.2 mi · 3 min · State Highway 95

  2. 2

    Continue on North Franklin Street

    1.2 mi · 2 min · North Franklin Street

  3. 3

    Turn right onto East Travis Street

    986 ft · 30 sec · East Travis Street

  4. 4

    Turn right onto North Austin Street

    116 m · 16 sec · North Austin Street

  5. 5

    Turn left onto Josephine Street

    3049 ft · 1 min · Josephine Street

  6. 6

    Continue on FM 2268

    8.6 mi · 10 min · FM 2268

  7. 7

    At the end of the road, turn left onto South I-35 Frontage Road

    1 km · 58 sec · South I-35 Frontage Road

  8. 8

    Take the ramp straight toward I 35 South

    1880 ft · 36 sec

  9. 9

    Merge slight left

    45.6 mi · 48 min

  10. 10

    Keep slight left to continue on Purple Heart Trail

    49.8 mi · 55 min · Purple Heart Trail

  11. 11

    Continue on Interstate Highway 35

    1.7 mi · 2 min · Interstate Highway 35

  12. 12

    Continue on Purple Heart Trail

    11.9 mi · 13 min · Purple Heart Trail

  13. 13

    Continue on North Pan Am Expressway

    10 mi · 12 min · North Pan Am Expressway

  14. 14

    Keep slight left to continue on North Pan Am Expressway

    6.4 mi · 8 min · North Pan Am Expressway

  15. 15

    Keep slight left to continue on North Pan Am Expressway

    2907 ft · 41 sec · North Pan Am Expressway

  16. 16

    Take the exit slight right toward Lexington Avenue, Main Avenue, San Pedro Avenue

    684 ft · 17 sec

  17. 17

    Turn straight onto East Elmira Street

    526 ft · 17 sec · East Elmira Street

  18. 18

    Turn left onto North Main Avenue

    830 ft · 19 sec · North Main Avenue

  19. 19

    Enter the roundabout and take exit 2 toward Navarro Street

    49 m · 3 sec · Navarro Street

  20. 20

    Exit the roundabout onto Navarro Street

    34 m · 2 sec · Navarro Street

  21. 21

    Keep slight right to continue on North Main Avenue

    2181 ft · 52 sec · North Main Avenue

  22. 22

    Turn right onto West Travis Street

    68 m · 11 sec · West Travis Street

  23. 23

    Turn left onto North Flores Street

    807 ft · 20 sec · North Flores Street

  24. 24

    Continue on 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 Sparks and San Antonio.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
26 steps
11 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
16.8 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
61.7 mi · 40%
I 35 South
45.9 mi · 30%
North Pan Am Expressway
17 mi · 11%
FM 2268
8.64 mi · 6%
State Highway 95
3.24 mi · 2%
Interstate Highway 35
1.73 mi · 1%
Longest Stretch

Purple Heart Trail

Keep slight left to continue on Purple Heart Trail

49.8 mi · 00h 55m

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 24m
Day trip friendly
Same-Day Return
04h 50m
Round-trip wheel time
Road vs Air
+30.9 mi
124.1 mi direct line
Halfway Stop
Onion Creek
01h 12m from Sparks
Leave By
1:40 PM CST
Morning start is best
Weather Watch

Slight Chance Rain Showers leaving Sparks and Patchy Fog near San Antonio.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 155 miles (249.4 km) and usually takes 02h 24m 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?

Onion Creek is a useful midpoint, sitting about 71.1 miles from Sparks and 83.9 miles from San Antonio.

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

The direct path is about 124.1 miles (199.7 km), while the road route adds roughly 30.9 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 CST. If you want a more comfortable same-day return, try to leave by 1:40 PM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.08 one way or $38.17 round trip. Estimated CO2 is about 48.6 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around Sparks and Patchy Fog near San Antonio.

Stop Ideas Near Onion Creek

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

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

RAIL

Austin

15 mi away
250 North Lamar Blvd.
RAIL

San Marcos Station

32 mi away
338 South Guadalupe St.
RAIL

Taylor

60 mi away
118 East First St.
RAIL

San Antonio Station

104 mi away
350 Hoefgen Street

Flight Path Map

This map shows the direct air route between Sparks and San Antonio. Straight-line distance: 124.06 mi (199.66 km).

Photo coming soon

#1 Sparks

Sparks is a place in Texas, United States.

Population0
Coordinates30.9285200, -97.3597200
Altitude143
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: State Highway 95 (-97.359711, 30.928517)
End: Dolorosa Street (-98.493645, 29.424163)

Estimated Travel Time

Distance: 249 km by road

SpeedTime
30 mph (48.3 km/h)05h 09m
40 mph (64.37 km/h)03h 52m
50 mph (80.47 km/h)03h 05m
60 mph (96.56 km/h)02h 35m
70 mph (112.65 km/h)02h 12m
80 mph (129 km/h)01h 56m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.47 gal
20.7 L · about $19.08
Round trip
$38.17
10.94 gal · 41.4 L
Estimated CO2
48.6 kg one way
Round trip: 97.2 kg / 214 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.49 $19.08 $38.17
Mid-grade $4.00 $21.86 $43.73
Premium $4.38 $23.93 $47.86
Diesel $5.60 $30.65 $61.31

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 Sparks and San Antonio. The current time is 09:43:33.

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.