How far is Prosper, TX from San Antonio, TX?
The driving distance from Prosper, TX to San Antonio, TX is about 326.6 miles (525.6 km), with a travel time of about 04h 47m by car.
- The straight-line flight distance is about 281.7 miles (453.3 km).
- For a round trip, plan for roughly 09h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 04h 47m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Bell County, Texas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight 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 Prosper and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prosper and San Antonio.
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1
Start on East Broadway Street
70 m · 11 sec · East Broadway Street
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2
Turn left onto South Coleman Street
925 ft · 24 sec · South Coleman Street
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3
Turn right onto West First Street
1.1 mi · 2 min · West First Street
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4
Turn left onto South Dallas Parkway
2740 ft · 47 sec · South Dallas Parkway
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5
Take the ramp slight left
2429 ft · 59 sec
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6
Continue on Dallas North Tollway
30.3 mi · 34 min · Dallas North Tollway
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7
Keep slight right to continue on I 35E South
2277 ft · 49 sec
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8
Keep slight right to continue on I 35E South
100 m · 8 sec
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9
Turn straight onto North Stemmons Freeway
584 ft · 12 sec · North Stemmons Freeway
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10
Take the ramp slight left toward I 35E South
737 ft · 18 sec
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11
Merge slight left onto North Stemmons Freeway
1.8 mi · 2 min · North Stemmons Freeway
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12
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
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13
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
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14
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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15
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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16
Keep slight left
55.8 mi · 59 min
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17
Keep slight left to continue on Purple Heart Trail
49.8 mi · 55 min · Purple Heart Trail
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18
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
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19
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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20
Continue on North Pan Am Expressway
10 mi · 12 min · North Pan Am Expressway
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21
Keep slight left to continue on North Pan Am Expressway
6.4 mi · 8 min · North Pan Am Expressway
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22
Keep slight left to continue on North Pan Am Expressway
2907 ft · 41 sec · North Pan Am Expressway
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23
Take the exit slight right toward Lexington Avenue, Main Avenue, San Pedro Avenue
684 ft · 17 sec
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24
Turn straight onto East Elmira Street
526 ft · 17 sec · East Elmira Street
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25
Turn left onto North Main Avenue
830 ft · 19 sec · North Main Avenue
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26
Enter the roundabout and take exit 2 toward Navarro Street
49 m · 3 sec · Navarro Street
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27
Exit the roundabout onto Navarro Street
34 m · 2 sec · Navarro Street
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28
Keep slight right to continue on North Main Avenue
2181 ft · 52 sec · North Main Avenue
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29
Turn right onto West Travis Street
68 m · 11 sec · West Travis Street
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30
Turn left onto North Flores Street
807 ft · 20 sec · North Flores Street
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31
Continue on Military Plaza
119 m · 16 sec · Military Plaza
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32
Turn left onto Dolorosa Street
100 m · 8 sec · Dolorosa Street
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33
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Prosper and San Antonio.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
South R L Thornton Freeway
Continue on South R L Thornton Freeway
89.3 mi · 01h 32m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Slight Chance Showers And Thunderstorms leaving Prosper 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 Prosper to San Antonio?
The road trip is about 326.6 miles (525.6 km) and usually takes 04h 47m 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?
Troy is a useful midpoint, sitting about 153.7 miles from Prosper and 172.9 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 281.7 miles (453.3 km), while the road route adds roughly 44.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:26 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.53 one way or $87.07 round trip. Estimated CO2 is about 102.4 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Prosper and Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms near San Antonio.
Stop Ideas Near Troy
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 Troy.
Temple
McGregor
Killeen, Texas
Waco, TX
Flight Path Map
This map shows the direct air route between Prosper and San Antonio. Straight-line distance: 281.68 mi (453.32 km).
#1 Prosper
Suburban town located in Collin and Denton counties, Texas
| Population | 26,957 |
| Coordinates | 33.2362300, -96.8011100 |
| Altitude | 208 |
| 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: 526 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 52m |
| 40 mph (64.37 km/h) | 08h 09m |
| 50 mph (80.47 km/h) | 06h 31m |
| 60 mph (96.56 km/h) | 05h 26m |
| 70 mph (112.65 km/h) | 04h 39m |
| 80 mph (129 km/h) | 04h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $43.53 | $87.07 |
| Mid-grade | $4.25 | $48.98 | $97.97 |
| Premium | $4.59 | $52.89 | $105.78 |
| Diesel | $3.99 | $46.00 | $92.00 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.