How far is Shamrock, TX from Houston, TX?

The driving distance from Shamrock, TX to Houston, TX is about 236.5 miles (380.6 km), with a travel time of about 03h 47m by car.

  • The straight-line flight distance is about 215.7 miles (347.1 km).
  • For a round trip, plan for roughly 07h 35m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
236.49 mi
03h 47m
Flight
215.67 mi
347.08 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
215.67 mi
Kilometers
347.08 km
Flight Time
00h 26m

Driving Distance

Road route
236.49 mi
Kilometers
380.6 km
Drive Time
03h 47m

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 47m.

Arrival Snapshot
Arrive in Houston
Sun, Apr 12, 4:48 PM CDT
Return by in Shamrock
Sun, Apr 12, 8:36 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Shamrock
2026-04-12T13:00
Arrive Houston
Sun, Apr 12, 4:48 PM CDT
Route Timing
03h 47m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:48 AM to 11:48 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:24 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Shamrock
9:00 PM CDT
Early departure recommended

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
Jewett
TX

City in Texas, United States

From Shamrock
121.2 mi
01h 53m
To Houston
115.3 mi
01h 53m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
78°F
Sunday

Chance Showers And Thunderstorms then Showers And Thunderstorms

Starts
Sun, Apr 12 1:00 AM CDT
Wind
15 to 20 mph S
Destination
80°F
Sunday

Chance Showers And Thunderstorms

Starts
Sun, Apr 12 6:00 AM CDT
Wind
10 to 15 mph SE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Reedsport Place

    1128 ft · 34 sec · Reedsport Place

  2. 2

    Turn right onto South Cockrell Hill Road

    2.9 mi · 5 min · South Cockrell Hill Road

  3. 3

    Turn right onto East Highway 67

    89 m · 6 sec · East Highway 67

  4. 4

    Take the ramp slight left toward US 67 North

    960 ft · 24 sec

  5. 5

    Merge slight left onto East S G Alexander Freeway

    2082 ft · 25 sec · East S G Alexander Freeway

  6. 6

    Continue on Marvin D Love Freeway

    2154 ft · 26 sec · Marvin D Love Freeway

  7. 7

    Take the exit slight right toward I 20 East: Shreveport

    2246 ft · 55 sec

  8. 8

    Merge slight left onto Lyndon B Johnson Freeway

    8.7 mi · 9 min · Lyndon B Johnson Freeway

  9. 9

    Take the exit slight right toward I 45 South: Houston

    1607 ft · 34 sec

  10. 10

    Merge slight left onto Julius Schepps Freeway

    227.2 mi · 3 hr 58 min · Julius Schepps Freeway

  11. 11

    Continue on Gulf Freeway

    83 m · 4 sec · Gulf Freeway

  12. 12

    Take the exit slight left toward I 10 East: Beaumont

    2168 ft · 53 sec

  13. 13

    Keep slight left to continue on Milam Street

    1614 ft · 39 sec

  14. 14

    Continue on Milam Street

    2031 ft · 1 min · Milam Street

  15. 15

    Turn right onto Prairie Street

    100 m · 14 sec · Prairie Street

  16. 16

    Turn right onto Louisiana Street

    157 m · 17 sec · Louisiana Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · Louisiana Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
17 steps
4 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
7.2 / 100 mi
Decision points by distance
Main Roads
Julius Schepps Freeway
227 mi · 96%
Lyndon B Johnson Freeway
8.72 mi · 4%
South Cockrell Hill Road
2.88 mi · 1%
Milam Street
0.69 mi
I 20 East
0.43 mi
I 10 East
0.41 mi
Longest Stretch

Julius Schepps Freeway

Merge slight left onto Julius Schepps Freeway

227 mi · 03h 58m

Route Summary

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

Trip Read

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.

Drive Time
03h 47m
Long day trip
Same-Day Return
07h 36m
Round-trip wheel time
Road vs Air
+20.8 mi
215.7 mi direct line
Halfway Stop
Jewett
01h 53m from Shamrock
Leave By
9:24 AM CDT
Early departure recommended
Weather Watch

Chance Showers And Thunderstorms then Showers And Thunderstorms leaving Shamrock and Chance Showers And Thunderstorms near Houston.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 236.5 miles (380.6 km) and usually takes 03h 47m 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?

Jewett is a useful midpoint, sitting about 121.2 miles from Shamrock and 115.3 miles from Houston.

How much longer is the road route than the straight-line distance?

The direct path is about 215.7 miles (347.1 km), while the road route adds roughly 20.8 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 9:24 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $31.55 one way or $63.11 round trip. Estimated CO2 is about 74.2 kg one way.

What should you check before leaving?

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

Stop Ideas Near Jewett

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

Mid-route Guidance
Local place coverage is thin around Jewett, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

BUS

Bryan, TX

80 mi away
301 East 26th Street
BUS

Waco, TX

96 mi away
301 South 8th Street
RAIL

Temple

118 mi away
315 West Ave B

Flight Path Map

This map shows the direct air route between Shamrock and Houston. Straight-line distance: 215.67 mi (347.08 km).

Shamrock

#1 Shamrock

City in Texas

Population1,720
Coordinates32.5993000, -96.8875000
Altitude214
CountryUnited States
Houston

#2 Houston

The fourth most populous city in the United States and the center of the Houston metropolitan area.

Population2,316,120
Coordinates29.7632800, -95.3632700
Altitude12
CountryUnited States
Start: Reedsport Place (-96.887499, 32.599197)
End: Louisiana Street (-95.363596, 29.76347)

Estimated Travel Time

Distance: 381 km by road

SpeedTime
30 mph (48.3 km/h)07h 52m
40 mph (64.37 km/h)05h 54m
50 mph (80.47 km/h)04h 43m
60 mph (96.56 km/h)03h 56m
70 mph (112.65 km/h)03h 22m
80 mph (129 km/h)02h 57m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.35 gal
31.59 L · about $31.55
Round trip
$63.11
16.7 gal · 63.18 L
Estimated CO2
74.2 kg one way
Round trip: 148.4 kg / 327 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $31.55 $63.11
Mid-grade $4.25 $35.50 $71.01
Premium $4.59 $38.33 $76.67
Diesel $3.99 $33.34 $66.68

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 Houston. The current time is 13:00:45.

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.