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

The driving distance from San Antonio, TX to Waco, TX is about 179.6 miles (289.1 km), with a travel time of about 03h 18m by car.

  • The straight-line flight distance is about 167.3 miles (269.3 km).
  • For a round trip, plan for roughly 06h 37m 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
179.63 mi
03h 18m
Flight
167.3 mi
269.25 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
167.3 mi
Kilometers
269.25 km
Flight Time
00h 20m

Driving Distance

Road route
179.63 mi
Kilometers
289.09 km
Drive Time
03h 18m

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 18m.

Arrival Snapshot
Arrive in Waco
Thu, Apr 23, 4:08 AM CDT
Return by in San Antonio
Thu, Apr 23, 7:27 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-04-23T00:50
Arrive Waco
Thu, Apr 23, 4:08 AM CDT
Route Timing
03h 18m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:19 AM to 11:19 AM CDT

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

Leave by
10:22 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
Wells Branch
TX

Census designated place

From San Antonio
90 mi
01h 39m
To Waco
89.7 mi
01h 39m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 10 mph SSE
Destination
82°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 15 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    2.5 mi · 3 min · South Jack Kultgen Expressway

  16. 16

    Take the exit slight right toward 18th - 17th Streets

    1380 ft · 34 sec

  17. 17

    Turn straight onto South Jack Kultgen Expressway

    759 ft · 21 sec · South Jack Kultgen Expressway

  18. 18

    Turn left onto South 17th Street

    1.4 mi · 4 min · South 17th Street

  19. 19

    Turn left onto West Waco Drive

    143 m · 26 sec · West Waco Drive

  20. 20

    Continue on West Waco Drive

    34 m · 8 sec · West Waco Drive

  21. 21

    Arrive at your destination

    0 m · 1 sec · West Waco Drive

Car Route Details

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

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
21 steps
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
11.7 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
155 mi · 86%
North Pan Am Expressway
15.6 mi · 9%
South Jack Kultgen Expressway
2.61 mi · 1%
Interstate Highway 35
1.93 mi · 1%
South 17th Street
1.41 mi · 1%
William J Bordelon Freeway
0.78 mi
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
03h 18m
Long day trip
Same-Day Return
06h 38m
Round-trip wheel time
Road vs Air
+12.3 mi
167.3 mi direct line
Halfway Stop
Wells Branch
01h 39m from San Antonio
Leave By
10:22 AM CDT
Early departure recommended
Weather Watch

Mostly Cloudy leaving San Antonio and Mostly Cloudy near Waco.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 179.6 miles (289.1 km) and usually takes 03h 18m 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?

Wells Branch is a useful midpoint, sitting about 90 miles from San Antonio and 89.7 miles from Waco.

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

The direct path is about 167.3 miles (269.3 km), while the road route adds roughly 12.3 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 10:22 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.96 one way or $47.92 round trip. Estimated CO2 is about 56.3 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around San Antonio and Mostly Cloudy near Waco.

Stop Ideas Near Wells Branch

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

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

RAIL

Austin

21 mi away
250 North Lamar Blvd.
RAIL

Taylor

29 mi away
118 East First St.
RAIL

San Marcos Station

68 mi away
338 South Guadalupe St.
BUS

Killeen, Texas

75 mi away
200 East Avenue C

Flight Path Map

This map shows the direct air route between San Antonio and Waco. Straight-line distance: 167.3 mi (269.25 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
Waco

#2 Waco

The 11th most populous city in Texas.

Population141,377
Coordinates31.5493300, -97.1466700
Altitude143
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Waco (-97.14667, 31.54933)

Estimated Travel Time

Distance: 289 km by road

SpeedTime
30 mph (48.3 km/h)05h 59m
40 mph (64.37 km/h)04h 29m
50 mph (80.47 km/h)03h 35m
60 mph (96.56 km/h)02h 59m
70 mph (112.65 km/h)02h 33m
80 mph (129 km/h)02h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.34 gal
23.99 L · about $23.96
Round trip
$47.92
12.68 gal · 47.98 L
Estimated CO2
56.3 kg one way
Round trip: 112.7 kg / 248 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $23.96 $47.92
Mid-grade $4.25 $26.96 $53.92
Premium $4.59 $29.11 $58.21
Diesel $3.99 $25.32 $50.63

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 San Antonio and Waco. The current time is 00:50:20.

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.