How far is Caldwell, TX from Austin, TX?
The driving distance from Caldwell, TX to Austin, TX is about 79.7 miles (128.3 km), with a travel time of about 01h 24m by car.
- The straight-line flight distance is about 65.2 miles (104.9 km).
- For a round trip, plan for roughly 02h 49m 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 24m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Caldwell and Austin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Caldwell and Austin.
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1
Start on South Echols Street
1598 ft · 1 min · South Echols Street
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2
Turn left onto State Highway 21 West
36.8 mi · 40 min · State Highway 21 West
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3
Take the exit slight right
1567 ft · 43 sec
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4
Merge slight left
7.7 mi · 8 min
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5
Continue straight
21.4 mi · 25 min
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6
Continue on Manor Expressway
6.1 mi · 6 min · Manor Expressway
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7
Continue straight
1.6 mi · 2 min
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8
Take the exit slight right toward I 35 South, US 290 West
1.1 mi · 2 min
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9
Merge slight left onto Purple Heart Trail
1.6 km · 1 min · Purple Heart Trail
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10
Keep slight left to continue on Purple Heart Trail
2.4 mi · 3 min · Purple Heart Trail
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11
Take the exit slight right toward 8th–3rd Streets, Huston-Tillotson University
1096 ft · 27 sec
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12
Turn straight onto North Interstate 35
948 ft · 27 sec · North Interstate 35
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13
Turn right onto East 6th Street
2578 ft · 1 min · East 6th Street
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14
Turn left onto Congress Avenue
109 m · 18 sec · Congress Avenue
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15
Turn left onto East 5th Street
8 m · 1 sec · East 5th Street
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16
Arrive at your destination
0 m · 1 sec · East 5th Street
Car Route Details
A richer read on the saved driving route between Caldwell and Austin.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
State Highway 21 West
Turn left onto State Highway 21 West
36.8 mi · 00h 40m
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.
Sunny leaving Caldwell and Sunny near Austin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Caldwell to Austin?
The road trip is about 79.7 miles (128.3 km) and usually takes 01h 24m 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?
Camp Swift is a useful midpoint, sitting about 39.8 miles from Caldwell and 39.9 miles from Austin.
How much longer is the road route than the straight-line distance?
The direct path is about 65.2 miles (104.9 km), while the road route adds roughly 14.5 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 3:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.62 one way or $21.24 round trip. Estimated CO2 is about 25 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Caldwell and Sunny near Austin.
Stop Ideas Near Camp Swift
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 Camp Swift.
Taylor
Austin
San Marcos Station
Temple
Flight Path Map
This map shows the direct air route between Caldwell and Austin. Straight-line distance: 65.18 mi (104.9 km).
#1 Caldwell
City in Burleson County, Texas, United States
| Population | 4,495 |
| Coordinates | 30.5313200, -96.6930300 |
| Altitude | 117 |
| Country | United States |
#2 Austin
The eleventh most populous city in the United States and the center of the Austin metropolitan area.
| Population | 995,484 |
| Coordinates | 30.2671500, -97.7430600 |
| Altitude | 149 |
| Country | United States |
End: East 5th Street (-97.743073, 30.267115)
Estimated Travel Time
Distance: 128 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 39m |
| 40 mph (64.37 km/h) | 01h 59m |
| 50 mph (80.47 km/h) | 01h 35m |
| 60 mph (96.56 km/h) | 01h 19m |
| 70 mph (112.65 km/h) | 01h 08m |
| 80 mph (129 km/h) | 00h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $10.62 | $21.24 |
| Mid-grade | $4.25 | $11.95 | $23.90 |
| Premium | $4.59 | $12.90 | $25.80 |
| Diesel | $3.99 | $11.22 | $22.44 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.