How far is Cedar Park, TX from San Antonio, TX?
The driving distance from Cedar Park, TX to San Antonio, TX is about 128.3 miles (206.4 km), with a travel time of about 01h 52m by car.
- The straight-line flight distance is about 84.9 miles (136.6 km).
- For a round trip, plan for roughly 03h 44m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 01h 52m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
The most populous city in Hays County, Texas.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Cedar Park and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cedar Park and San Antonio.
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1
Start on North Bell Boulevard
1885 ft · 43 sec · North Bell Boulevard
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2
Turn left onto Park Street
84 m · 13 sec · Park Street
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3
Turn left
65 m · 12 sec
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4
Turn left
83 m · 21 sec
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5
At the end of the road, turn right onto South Bell Boulevard
1.9 mi · 3 min · South Bell Boulevard
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6
Turn left onto Avery Ranch Boulevard
126 m · 15 sec · Avery Ranch Boulevard
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7
Turn right onto 183A Frontage Road
122 m · 12 sec · 183A Frontage Road
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8
Keep slight left to continue on 183A Toll South
1314 ft · 32 sec
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9
Merge slight left onto 183A Toll Road
1.1 km · 42 sec · 183A Toll Road
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10
Continue straight
11.6 mi · 13 min
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11
Take the exit slight right toward I 35 South: San Antonio
2251 ft · 55 sec
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12
Merge slight left onto Purple Heart Trail
2.5 mi · 3 min · Purple Heart Trail
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13
Keep slight left to continue on Purple Heart Trail
49.8 mi · 55 min · Purple Heart Trail
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14
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
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15
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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16
Continue on North Pan Am Expressway
10 mi · 12 min · North Pan Am Expressway
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17
Keep slight left to continue on North Pan Am Expressway
6.4 mi · 8 min · North Pan Am Expressway
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18
Keep slight left to continue on North Pan Am Expressway
2907 ft · 41 sec · North Pan Am Expressway
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19
Take the exit slight right toward Lexington Avenue, Main Avenue, San Pedro Avenue
684 ft · 17 sec
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20
Turn straight onto East Elmira Street
526 ft · 17 sec · East Elmira Street
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21
Turn left onto North Main Avenue
830 ft · 19 sec · North Main Avenue
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22
Enter the roundabout and take exit 2 toward Navarro Street
49 m · 3 sec · Navarro Street
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23
Exit the roundabout onto Navarro Street
34 m · 2 sec · Navarro Street
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24
Keep slight right to continue on North Main Avenue
2181 ft · 52 sec · North Main Avenue
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25
Turn right onto West Travis Street
68 m · 11 sec · West Travis Street
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26
Turn left onto North Flores Street
807 ft · 20 sec · North Flores Street
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27
Continue on Military Plaza
119 m · 16 sec · Military Plaza
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28
Turn left onto Dolorosa Street
100 m · 8 sec · Dolorosa Street
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29
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Cedar Park and San Antonio.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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.
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.
Chance Showers And Thunderstorms leaving Cedar Park and Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cedar Park to San Antonio?
The road trip is about 128.3 miles (206.4 km) and usually takes 01h 52m 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?
San Marcos is a useful midpoint, sitting about 49.8 miles from Cedar Park and 78.4 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 84.9 miles (136.6 km), while the road route adds roughly 43.4 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 CDT. If you want a more comfortable same-day return, try to leave by 2:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.12 one way or $34.24 round trip. Estimated CO2 is about 40.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Cedar Park and Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms near San Antonio.
Stop Ideas Near San Marcos
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to San Marcos.
San Marcos Station
Austin
San Antonio Station
Taylor
Flight Path Map
This map shows the direct air route between Cedar Park and San Antonio. Straight-line distance: 84.87 mi (136.59 km).
#1 Cedar Park
The second most populous city in Williamson County, Texas.
| Population | 81,040 |
| Coordinates | 30.5052000, -97.8202900 |
| Altitude | 276 |
| Country | United States |
#2 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area.
| Population | 1,567,118 |
| Coordinates | 29.4241200, -98.4936300 |
| Altitude | 198 |
| Country | United States |
End: Dolorosa Street (-98.493645, 29.424163)
Estimated Travel Time
Distance: 206 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 16m |
| 40 mph (64.37 km/h) | 03h 12m |
| 50 mph (80.47 km/h) | 02h 33m |
| 60 mph (96.56 km/h) | 02h 08m |
| 70 mph (112.65 km/h) | 01h 49m |
| 80 mph (129 km/h) | 01h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $17.12 | $34.24 |
| Mid-grade | $4.25 | $19.26 | $38.52 |
| Premium | $4.59 | $20.80 | $41.59 |
| Diesel | $3.99 | $18.09 | $36.18 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.