How far is San Antonio, TX from Keene, TX?
The driving distance from San Antonio, TX to Keene, TX is about 248.1 miles (399.3 km), with a travel time of about 04h 29m by car.
- The straight-line flight distance is about 216.8 miles (348.9 km).
- For a round trip, plan for roughly 08h 59m 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 29m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
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.
Partly Sunny then Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between San Antonio and Keene.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Keene.
-
1
Start on Dolorosa Street
44 m · 5 sec · Dolorosa Street
-
2
Continue on West Market Street
1893 ft · 42 sec · West Market Street
-
3
Continue on East Market Street
2143 ft · 46 sec · East Market Street
-
4
Turn left
111 m · 13 sec
-
5
Turn straight onto East Commerce Street
66 m · 13 sec · East Commerce Street
-
6
Take the ramp sharp left toward US 281 North, I 37 North
1159 ft · 28 sec
-
7
Merge slight left onto William J Bordelon Freeway
1.3 km · 56 sec · William J Bordelon Freeway
-
8
Take the exit slight right toward I 35 North: Austin
2907 ft · 1 min
-
9
Merge slight left onto North Pan Am Expressway
8.2 mi · 10 min · North Pan Am Expressway
-
10
Keep slight left to continue on North Pan Am Expressway
7.4 mi · 8 min · North Pan Am Expressway
-
11
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
-
12
Continue on Interstate Highway 35
1.9 mi · 2 min · Interstate Highway 35
-
13
Continue on Purple Heart Trail
47.8 mi · 52 min · Purple Heart Trail
-
14
Keep slight right to continue on Purple Heart Trail
95.6 mi · 1 hr 40 min · Purple Heart Trail
-
15
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
-
16
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
-
17
Keep slight left to continue on I 35W: Fort Worth
26.1 mi · 27 min
-
18
Take the exit slight right toward US 67: Cleburne, Dallas
995 ft · 28 sec
-
19
Continue on South Interstate 35W
1751 ft · 37 sec · South Interstate 35W
-
20
Turn left onto West US Highway 67
5.8 mi · 8 min · West US Highway 67
-
21
Turn right onto South Eastern Street
927 ft · 31 sec · South Eastern Street
-
22
Turn left onto East 4th Street
1087 ft · 32 sec · East 4th Street
-
23
Turn right onto South Fairview Avenue
1759 ft · 1 min · South Fairview Avenue
-
24
Turn right
83 m · 20 sec
-
25
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between San Antonio and Keene.
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 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.
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.
Partly Sunny then Chance Showers And Thunderstorms leaving San Antonio and Slight Chance Showers And Thunderstorms near Keene.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Keene?
The road trip is about 248.1 miles (399.3 km) and usually takes 04h 29m 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 San Antonio and 123.8 miles from Keene.
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 31.3 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 8:00 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.07 one way or $66.13 round trip. Estimated CO2 is about 77.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around San Antonio and Slight Chance Showers And Thunderstorms near Keene.
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 San Antonio and Keene. Straight-line distance: 216.78 mi (348.87 km).
#1 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 |
#2 Keene
City in Johnson County, Texas, United States
| Population | 6,588 |
| Coordinates | 32.3968100, -97.3239000 |
| Altitude | 272 |
| Country | United States |
End: Keene (-97.3239, 32.39681)
Estimated Travel Time
Distance: 399 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 16m |
| 40 mph (64.37 km/h) | 06h 12m |
| 50 mph (80.47 km/h) | 04h 57m |
| 60 mph (96.56 km/h) | 04h 08m |
| 70 mph (112.65 km/h) | 03h 32m |
| 80 mph (129 km/h) | 03h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $33.07 | $66.13 |
| Mid-grade | $4.25 | $37.21 | $74.41 |
| Premium | $4.59 | $40.17 | $80.34 |
| Diesel | $3.99 | $34.94 | $69.88 |
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.