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

The driving distance from San Antonio, TX to Sunnyvale, TX is about 286.3 miles (460.7 km), with a travel time of about 05h 08m by car.

  • The straight-line flight distance is about 259.5 miles (417.7 km).
  • For a round trip, plan for roughly 10h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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
286.27 mi
05h 08m
Flight
259.53 mi
417.68 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
259.53 mi
Kilometers
417.68 km
Flight Time
00h 31m

Driving Distance

Road route
286.27 mi
Kilometers
460.7 km
Drive Time
05h 08m

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 05h 08m.

Arrival Snapshot
Arrive in Sunnyvale
Fri, May 22, 7:08 PM CDT
Return by in San Antonio
Sat, May 23, 12:16 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-05-22T13:59
Arrive Sunnyvale
Fri, May 22, 7:08 PM CDT
Route Timing
05h 08m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:09 AM to 1:09 PM CDT

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

Leave by
6:42 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in San Antonio
9:00 PM CDT
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
Temple
TX

The most populous city in Bell County, Texas.

From San Antonio
143.4 mi
02h 34m
To Sunnyvale
142.9 mi
02h 34m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Friday

Chance Showers And Thunderstorms

Starts
Fri, May 22 6:00 AM CDT
Wind
5 mph SSE
Destination
84°F
Friday

Chance Showers And Thunderstorms

Starts
Fri, May 22 6:00 AM CDT
Wind
5 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    66 m · 13 sec · East Commerce Street

  6. 6

    Take the ramp sharp left toward US 281 North, I 37 North

    1159 ft · 28 sec

  7. 7

    Merge slight left onto William J Bordelon Freeway

    1.3 km · 56 sec · William J Bordelon Freeway

  8. 8

    Take the exit slight right toward I 35 North: Austin

    2907 ft · 1 min

  9. 9

    Merge slight left onto North Pan Am Expressway

    8.2 mi · 10 min · North Pan Am Expressway

  10. 10

    Keep slight left to continue on North Pan Am Expressway

    7.4 mi · 8 min · North Pan Am Expressway

  11. 11

    Continue on Purple Heart Trail

    11.9 mi · 13 min · Purple Heart Trail

  12. 12

    Continue on Interstate Highway 35

    1.9 mi · 2 min · Interstate Highway 35

  13. 13

    Continue on Purple Heart Trail

    47.8 mi · 52 min · Purple Heart Trail

  14. 14

    Keep slight right to continue on Purple Heart Trail

    95.6 mi · 1 hr 40 min · Purple Heart Trail

  15. 15

    Continue on South Jack Kultgen Expressway

    6.6 mi · 8 min · South Jack Kultgen Expressway

  16. 16

    Continue on Purple Heart Trail

    33 mi · 33 min · Purple Heart Trail

  17. 17

    Keep slight right to continue on I 35E: Dallas

    47.5 mi · 49 min

  18. 18

    Take the exit slight right toward I 20 East: Shreveport

    2359 ft · 57 sec

  19. 19

    Merge slight left onto Lyndon B Johnson Freeway

    11.9 mi · 13 min · Lyndon B Johnson Freeway

  20. 20

    Keep slight right to continue on Lyndon B Johnson Freeway

    6.8 mi · 7 min · Lyndon B Johnson Freeway

  21. 21

    Take the exit slight right toward US 80 East: Terrell

    1789 ft · 38 sec

  22. 22

    Merge slight left

    2.5 mi · 3 min

  23. 23

    Take the exit slight right toward TX 352: Collins Road

    1631 ft · 40 sec

  24. 24

    Turn straight onto East US Highway 80

    1.1 km · 1 min · East US Highway 80

  25. 25

    Turn left onto South Collins Road

    1.1 km · 2 min · South Collins Road

  26. 26

    Enter the roundabout and take exit 2 toward North Collins Road

    46 m · 4 sec · North Collins Road

  27. 27

    Exit the roundabout onto North Collins Road

    1005 ft · 27 sec · North Collins Road

  28. 28

    Turn right onto Raider Drive

    38 m · 6 sec · Raider Drive

  29. 29

    Turn right

    36 m · 9 sec

  30. 30

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
30 steps
8 turns on the saved route
Ramps & Exits
11
4 merges, 7 ramps or exits
Navigation Density
10.5 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
188 mi · 66%
I 35E
47.5 mi · 17%
Lyndon B Johnson Freeway
18.7 mi · 7%
North Pan Am Expressway
15.6 mi · 5%
South Jack Kultgen Expressway
6.63 mi · 2%
US 80 East
2.8 mi · 1%
Longest Stretch

Purple Heart Trail

Keep slight right to continue on Purple Heart Trail

95.6 mi · 01h 40m

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
05h 08m
Long day trip
Same-Day Return
10h 18m
Round-trip wheel time
Road vs Air
+26.8 mi
259.5 mi direct line
Halfway Stop
Temple
02h 34m from San Antonio
Leave By
6:42 AM CDT
Early departure recommended
Weather Watch

Chance Showers And Thunderstorms leaving San Antonio and Chance Showers And Thunderstorms near Sunnyvale.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 286.3 miles (460.7 km) and usually takes 05h 08m 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?

Temple is a useful midpoint, sitting about 143.4 miles from San Antonio and 142.9 miles from Sunnyvale.

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

The direct path is about 259.5 miles (417.7 km), while the road route adds roughly 26.8 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 CDT. If you want a more comfortable same-day return, try to leave by 6:42 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $38.17 one way or $76.34 round trip. Estimated CO2 is about 89.8 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms around San Antonio and Chance Showers And Thunderstorms near Sunnyvale.

Stop Ideas Near Temple

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

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

RAIL

Temple

315 West Ave B
BUS

Killeen, Texas

37 mi away
200 East Avenue C
RAIL

McGregor

38 mi away
1 Amtrak Blvd.
BUS

Fort Hood, Texas

40 mi away
Hood Road & Old Ironsides Ave.

Flight Path Map

This map shows the direct air route between San Antonio and Sunnyvale. Straight-line distance: 259.53 mi (417.68 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
Sunnyvale

#2 Sunnyvale

Town in Dallas County, Texas, United States

Population7,066
Coordinates32.7965200, -96.5608200
Altitude148
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Sunnyvale (-96.56082, 32.79652)

Estimated Travel Time

Distance: 461 km by road

SpeedTime
30 mph (48.3 km/h)09h 32m
40 mph (64.37 km/h)07h 09m
50 mph (80.47 km/h)05h 43m
60 mph (96.56 km/h)04h 46m
70 mph (112.65 km/h)04h 05m
80 mph (129 km/h)03h 34m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.1 gal
38.24 L · about $38.17
Round trip
$76.34
20.2 gal · 76.48 L
Estimated CO2
89.8 kg one way
Round trip: 179.5 kg / 396 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $38.17 $76.34
Mid-grade $4.25 $42.95 $85.89
Premium $4.59 $46.37 $92.74
Diesel $3.99 $40.33 $80.66

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 · May 22, 2026

There is no time difference between San Antonio and Sunnyvale. The current time is 13:59:04.

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.