How far is Shamrock, TX from Austin, TX?

The driving distance from Shamrock, TX to Austin, TX is about 430.9 miles (693.5 km), with a travel time of about 07h 05m by car.

  • The straight-line flight distance is about 371.5 miles (597.9 km).
  • For a round trip, plan for roughly 14h 11m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
430.9 mi
07h 05m
Flight
371.5 mi
597.87 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Shamrock.

Flight Distance

Direct air line
371.5 mi
Kilometers
597.87 km
Flight Time
00h 44m

Driving Distance

Road route
430.9 mi
Kilometers
693.46 km
Drive Time
07h 05m

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 07h 05m.

Arrival Snapshot
Arrive in Austin
Sun, Apr 12, 8:08 PM CDT
Return by in Shamrock
Mon, Apr 13, 3:13 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Shamrock
2026-04-12T13:02
Arrive Austin
Sun, Apr 12, 8:08 PM CDT
Route Timing
07h 05m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
1:06 PM to 2:36 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
9:48 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Shamrock
8:00 PM CDT
Overnight-style route

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.

Mid-route stop
Decatur
TX

City in Texas, USA

From Shamrock
233.2 mi
03h 32m
To Austin
197.7 mi
03h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Sunday

Chance Rain Showers then Chance Showers And Thunderstorms

Starts
Sun, Apr 12 6:00 AM CDT
Wind
15 to 20 mph S
Destination
81°F
Sunday

Chance Showers And Thunderstorms

Starts
Sun, Apr 12 6:00 AM CDT
Wind
5 to 10 mph SSE

Driving Route Map

The map below follows the saved road route between Shamrock and Austin.

Turn-by-Turn Driving Directions

Step-by-step road directions between Shamrock and Austin.

  1. 1

    Start on East Railroad Avenue

    14 m · 8 sec · East Railroad Avenue

  2. 2

    Turn left onto South Main Street

    55.1 mi · 1 hr 13 min · South Main Street

  3. 3

    Turn left onto Avenue F Northwest

    2.2 mi · 3 min · Avenue F Northwest

  4. 4

    Continue on US Highway 287

    54.4 mi · 59 min · US Highway 287

  5. 5

    Continue on Martin Luther King Jr Memorial Highway

    4.1 mi · 4 min · Martin Luther King Jr Memorial Highway

  6. 6

    Continue on US Highway 287 East

    40.5 mi · 43 min · US Highway 287 East

  7. 7

    Continue on Northwest Freeway

    4.6 mi · 5 min · Northwest Freeway

  8. 8

    Keep slight right to continue on Northwest Freeway

    2984 ft · 42 sec · Northwest Freeway

  9. 9

    Merge slight left onto Central Freeway

    2.5 mi · 3 min · Central Freeway

  10. 10

    Continue on Lloyd Ruby Overpass

    1.4 km · 1 min · Lloyd Ruby Overpass

  11. 11

    Continue on Central East Freeway

    1.4 km · 1 min · Central East Freeway

  12. 12

    Keep slight right to continue on Central East Freeway

    1.8 mi · 2 min · Central East Freeway

  13. 13

    Keep slight right to continue on Central East Freeway

    96.6 mi · 1 hr 44 min · Central East Freeway

  14. 14

    Continue straight

    4.6 mi · 5 min

  15. 15

    Merge slight left onto North Freeway

    4.5 mi · 5 min · North Freeway

  16. 16

    Take the exit slight left toward I 35W Express Toll South

    2952 ft · 33 sec

  17. 17

    Merge slight left onto I 35W TEXpress

    4 mi · 4 min · I 35W TEXpress

  18. 18

    Merge slight right onto North South Freeway

    84.6 mi · 1 hr 28 min · North South Freeway

  19. 19

    Continue on North Jack Kultgen Expressway

    6.6 mi · 8 min · North Jack Kultgen Expressway

  20. 20

    Continue on Purple Heart Trail

    37.9 mi · 39 min · Purple Heart Trail

  21. 21

    Keep slight left

    55.8 mi · 59 min

  22. 22

    Keep slight left to continue on Purple Heart Trail

    2.4 mi · 3 min · Purple Heart Trail

  23. 23

    Take the exit slight right toward 8th–3rd Streets, Huston-Tillotson University

    1096 ft · 27 sec

  24. 24

    Turn straight onto North Interstate 35

    948 ft · 27 sec · North Interstate 35

  25. 25

    Turn right onto East 6th Street

    2578 ft · 1 min · East 6th Street

  26. 26

    Turn left onto Congress Avenue

    109 m · 18 sec · Congress Avenue

  27. 27

    Turn left onto East 5th Street

    8 m · 1 sec · East 5th Street

  28. 28

    Arrive at your destination

    0 m · 1 sec · East 5th Street

Car Route Details

A richer read on the saved driving route between Shamrock and Austin.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
28 steps
6 turns on the saved route
Ramps & Exits
6
4 merges, 2 ramps or exits
Navigation Density
6.5 / 100 mi
Decision points by distance
Main Roads
Central East Freeway
104 mi · 24%
Purple Heart Trail
96.1 mi · 22%
North South Freeway
84.6 mi · 20%
South Main Street
55.1 mi · 13%
US Highway 287
54.4 mi · 13%
US Highway 287 East
40.5 mi · 9%
Longest Stretch

Central East Freeway

Keep slight right to continue on Central East Freeway

96.6 mi · 01h 44m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
07h 05m
Overnight route
Same-Day Return
14h 12m
Round-trip wheel time
Road vs Air
+59.4 mi
371.5 mi direct line
Halfway Stop
Decatur
03h 32m from Shamrock
Leave By
9:48 PM CDT
Overnight-style route
Weather Watch

Chance Rain Showers then Chance Showers And Thunderstorms leaving Shamrock and Chance Showers And Thunderstorms near Austin.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Shamrock to Austin?

The road trip is about 430.9 miles (693.5 km) and usually takes 07h 05m 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 Shamrock and 197.7 miles from Austin.

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 59.4 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 $57.48 one way or $114.96 round trip. Estimated CO2 is about 135.2 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers then Chance Showers And Thunderstorms around Shamrock and Chance Showers And Thunderstorms near Austin.

Stop Ideas Near Decatur

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Decatur and the surrounding midpoint area.
Stop photo coming soon
Practical stop 8.8 mi away

Bridgeport Utility Billing

Bridgeport , TX
900 Thompson St, Bridgeport, TX 76426
Rating 1.0/5 2 reviews Water utility company,Convenience store
Stop photo coming soon
Meeting point 4.9 mi away

Decatur City Hall

Decatur , TX
201 E Walnut St, Decatur, TX 76234
Rating 1.0/5 2 reviews City Hall,City government office
Stop photo coming soon
Nearby stop 10.1 mi away

Paradise City Hall

Paradise , TX
218 Main St, Paradise, TX 76073
City administration

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Decatur.

RAIL

Fort Worth Central Station

59 mi away
1001 Jones Street
RAIL

Gainesville

60 mi away
605 East California Street
RAIL

Union Station

89 mi away
400 South Houston St.
BUS

Dallas, TX

89 mi away
205 South Lamar Street

Flight Path Map

This map shows the direct air route between Shamrock and Austin. Straight-line distance: 371.5 mi (597.87 km).

Shamrock

#1 Shamrock

City in Texas

Population1,989
Coordinates35.2142200, -100.2490100
Altitude714
CountryUnited States
Austin

#2 Austin

The eleventh most populous city in the United States and the center of the Austin metropolitan area.

Population995,484
Coordinates30.2671500, -97.7430600
Altitude149
CountryUnited States
Start: East Railroad Avenue (-100.249029, 35.214166)
End: East 5th Street (-97.743073, 30.267115)

Estimated Travel Time

Distance: 693 km by road

SpeedTime
30 mph (48.3 km/h)14h 21m
40 mph (64.37 km/h)10h 46m
50 mph (80.47 km/h)08h 37m
60 mph (96.56 km/h)07h 10m
70 mph (112.65 km/h)06h 09m
80 mph (129 km/h)05h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.21 gal
57.56 L · about $57.48
Round trip
$114.96
30.42 gal · 115.12 L
Estimated CO2
135.2 kg one way
Round trip: 270.3 kg / 596 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $57.48 $114.96
Mid-grade $4.25 $64.67 $129.35
Premium $4.59 $69.83 $139.66
Diesel $3.99 $60.73 $121.47

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

There is no time difference between Shamrock and Austin. The current time is 13:02:16.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.