How far is Keene, TX from San Antonio, TX?
The driving distance from Keene, TX to San Antonio, TX is about 268.1 miles (431.5 km), with a travel time of about 03h 52m by car.
- The straight-line flight distance is about 216.8 miles (348.9 km).
- For a round trip, plan for roughly 07h 44m 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 03h 52m.
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 Williamson County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Keene and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Keene and San Antonio.
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1
Start on the route
83 m · 25 sec
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2
Turn left onto South Fairview Avenue
1759 ft · 1 min · South Fairview Avenue
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3
At the end of the road, turn left onto East 4th Street
1087 ft · 32 sec · East 4th Street
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4
Turn right onto South Eastern Street
1038 ft · 38 sec · South Eastern Street
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5
At the end of the road, turn left onto East US Highway 67
5.7 mi · 8 min · East US Highway 67
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6
Take the exit slight right
124 m · 11 sec
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7
Turn straight onto South Interstate 35W
1752 ft · 48 sec · South Interstate 35W
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8
Take the ramp slight left toward I 35W South
890 ft · 22 sec
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9
Merge slight left
59.1 mi · 1 hr
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10
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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11
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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12
Keep slight left
55.8 mi · 59 min
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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 Keene 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.
I 35W South
Merge slight left
59.1 mi · 01h 00m
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 Keene and Partly Sunny then 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 Keene to San Antonio?
The road trip is about 268.1 miles (431.5 km) and usually takes 03h 52m 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?
Jarrell is a useful midpoint, sitting about 124.3 miles from Keene and 143.8 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 216.8 miles (348.9 km), while the road route adds roughly 51.3 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 9:16 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.75 one way or $71.50 round trip. Estimated CO2 is about 84.1 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Keene and Partly Sunny then Chance Showers And Thunderstorms near San Antonio.
Stop Ideas Near Jarrell
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 Jarrell.
Taylor
Killeen, Texas
Fort Hood, Texas
Temple
Flight Path Map
This map shows the direct air route between Keene and San Antonio. Straight-line distance: 216.78 mi (348.87 km).
#1 Keene
City in Johnson County, Texas, United States
| Population | 6,588 |
| Coordinates | 32.3968100, -97.3239000 |
| Altitude | 272 |
| 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: 432 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 56m |
| 40 mph (64.37 km/h) | 06h 42m |
| 50 mph (80.47 km/h) | 05h 21m |
| 60 mph (96.56 km/h) | 04h 28m |
| 70 mph (112.65 km/h) | 03h 49m |
| 80 mph (129 km/h) | 03h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $35.75 | $71.50 |
| Mid-grade | $4.25 | $40.22 | $80.45 |
| Premium | $4.59 | $43.43 | $86.86 |
| Diesel | $3.99 | $37.77 | $75.55 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.