How far is Austin, TX from Shamrock, TX?
The driving distance from Austin, TX to Shamrock, TX is about 466 miles (750 km), with a travel time of about 08h 28m by car.
- The straight-line flight distance is about 371.5 miles (597.9 km).
- For a round trip, plan for roughly 16h 57m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 08h 28m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Rain Showers then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Austin and Shamrock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Austin and Shamrock.
-
1
Start on East 5th Street
1836 ft · 52 sec · East 5th Street
-
2
Turn left onto Red River Street
711 ft · 20 sec · Red River Street
-
3
Turn right onto East 7th Street
757 ft · 17 sec · East 7th Street
-
4
Turn left onto North Interstate 35
928 ft · 27 sec · North Interstate 35
-
5
Take the ramp slight left toward I 35 North, US 290 East
906 ft · 22 sec
-
6
Merge slight left onto Purple Heart Trail
2985 ft · 42 sec · Purple Heart Trail
-
7
Keep slight right to continue on Purple Heart Trail
95.6 mi · 1 hr 40 min · Purple Heart Trail
-
8
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
-
9
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
-
10
Keep slight left to continue on I 35W: Fort Worth
51.5 mi · 54 min
-
11
Take the exit slight left toward I 35W Express North: I 35W TEXpress North
8.9 mi · 9 min · I 35W TEXpress
-
12
Take the exit slight right toward US 81 North, US 287 North: Decatur
1.1 km · 1 min
-
13
Merge slight left
1.7 mi · 2 min
-
14
Continue straight
101.7 mi · 1 hr 48 min
-
15
Continue on Lloyd Ruby Overpass
1.3 km · 59 sec · Lloyd Ruby Overpass
-
16
Continue on Central Freeway
2.4 mi · 3 min · Central Freeway
-
17
Keep slight left to continue on Northwest Freeway
5.3 mi · 6 min · Northwest Freeway
-
18
Continue on US Highway 287 East
40.5 mi · 42 min · US Highway 287 East
-
19
Continue on Martin Luther King Jr Memorial Highway
4.1 mi · 4 min · Martin Luther King Jr Memorial Highway
-
20
Continue on US Highway 287 West
25.7 mi · 26 min · US Highway 287 West
-
21
Continue on East 11th Street
28.7 mi · 33 min · East 11th Street
-
22
Continue on Avenue F Northeast
2.2 mi · 3 min · Avenue F Northeast
-
23
Turn right onto US Highway 83 North
31 mi · 43 min · US Highway 83 North
-
24
Continue straight
24.1 mi · 30 min
-
25
Turn right onto East Railroad Avenue
14 m · 1 sec · East Railroad Avenue
-
26
Arrive at your destination
0 m · 1 sec · East Railroad Avenue
Car Route Details
A richer read on the saved driving route between Austin and Shamrock.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
US 81 North
Continue straight
102 mi · 01h 48m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Chance Showers And Thunderstorms leaving Austin and Chance Rain Showers then Chance Showers And Thunderstorms near Shamrock.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Austin to Shamrock?
The road trip is about 466 miles (750 km) and usually takes 08h 28m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Decatur is a useful midpoint, sitting about 233.2 miles from Austin and 232.8 miles from Shamrock.
How much longer is the road route than the straight-line distance?
The direct path is about 371.5 miles (597.9 km), while the road route adds roughly 94.5 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $62.13 one way or $124.25 round trip. Estimated CO2 is about 146.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Austin and Chance Rain Showers then Chance Showers And Thunderstorms near Shamrock.
Stop Ideas Near Decatur
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bridgeport Utility Billing
Decatur City Hall
Paradise City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Decatur.
Fort Worth Central Station
Gainesville
Union Station
Dallas, TX
Flight Path Map
This map shows the direct air route between Austin and Shamrock. Straight-line distance: 371.5 mi (597.87 km).
#1 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 |
#2 Shamrock
City in Texas
| Population | 1,989 |
| Coordinates | 35.2142200, -100.2490100 |
| Altitude | 714 |
| Country | United States |
End: Shamrock (-100.24901, 35.21422)
Estimated Travel Time
Distance: 750 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 15h 31m |
| 40 mph (64.37 km/h) | 11h 39m |
| 50 mph (80.47 km/h) | 09h 19m |
| 60 mph (96.56 km/h) | 07h 46m |
| 70 mph (112.65 km/h) | 06h 39m |
| 80 mph (129 km/h) | 05h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $62.13 | $124.25 |
| Mid-grade | $4.25 | $69.90 | $139.81 |
| Premium | $4.59 | $75.48 | $150.95 |
| Diesel | $3.99 | $65.64 | $131.29 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.