How far is Houston, TX from Shamrock, TX?
The driving distance from Houston, TX to Shamrock, TX is about 542.7 miles (873.4 km), with a travel time of about 09h 52m by car.
- The straight-line flight distance is about 472 miles (759.6 km).
- For a round trip, plan for roughly 19h 44m 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 09h 52m.
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 Tarrant County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Houston and Shamrock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Shamrock.
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1
Start on Louisiana Street
145 m · 20 sec · Louisiana Street
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2
Turn right onto Franklin Street
664 ft · 28 sec · Franklin Street
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3
Turn left onto Travis Street
1205 ft · 29 sec · Travis Street
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4
Take the ramp straight toward I 45 North Express Lane
1.6 km · 2 min
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5
Merge slight left onto North Freeway
236.9 mi · 4 hr 9 min · North Freeway
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6
Take the exit slight right toward Waco, Denton
3139 ft · 1 min
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7
Continue on Woodall Rodgers Freeway
1.4 km · 1 min · Woodall Rodgers Freeway
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8
Take the exit slight right toward I 35E North: Denton
1980 ft · 48 sec
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9
Merge slight left onto North Stemmons Freeway
4.1 mi · 5 min · North Stemmons Freeway
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10
Keep slight left to continue on John W Carpenter Freeway
1.2 km · 49 sec · John W Carpenter Freeway
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11
Keep slight left to continue on SH 183 TEXpress
1.5 mi · 2 min · SH 183 TEXpress
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12
Keep slight right to continue on SH 183 TEXpress
14.9 mi · 15 min · SH 183 TEXpress
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13
Continue on SH 121/183 TEXpress
2 mi · 2 min · SH 121/183 TEXpress
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14
Continue on SH 183 TEXpress
644 ft · 7 sec · SH 183 TEXpress
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15
Continue on SH 121/183 TEXpress
1.1 km · 43 sec · SH 121/183 TEXpress
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16
Continue on I 820 TEXpress
6.2 mi · 6 min · I 820 TEXpress
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17
Take the exit slight right toward I 35W Express: Fort Worth, Denton
1079 ft · 26 sec
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18
Keep slight right to continue on I 35W Express North: Denton
1.3 km · 50 sec
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19
Merge slight left onto I 35W TEXpress
2.3 mi · 2 min · I 35W TEXpress
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20
Take the exit slight right toward US 81 North, US 287 North: Decatur
1.1 km · 1 min
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21
Merge slight left
1.7 mi · 2 min
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22
Continue straight
101.7 mi · 1 hr 48 min
-
23
Continue on Lloyd Ruby Overpass
1.3 km · 59 sec · Lloyd Ruby Overpass
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24
Continue on Central Freeway
2.4 mi · 3 min · Central Freeway
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25
Keep slight left to continue on Northwest Freeway
5.3 mi · 6 min · Northwest Freeway
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26
Continue on US Highway 287 East
40.5 mi · 42 min · US Highway 287 East
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27
Continue on Martin Luther King Jr Memorial Highway
4.1 mi · 4 min · Martin Luther King Jr Memorial Highway
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28
Continue on US Highway 287 West
25.7 mi · 26 min · US Highway 287 West
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29
Continue on East 11th Street
28.7 mi · 33 min · East 11th Street
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30
Continue on Avenue F Northeast
2.2 mi · 3 min · Avenue F Northeast
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31
Turn right onto US Highway 83 North
31 mi · 43 min · US Highway 83 North
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32
Continue straight
24.1 mi · 30 min
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33
Turn right onto East Railroad Avenue
14 m · 1 sec · East Railroad Avenue
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34
Arrive at your destination
0 m · 1 sec · East Railroad Avenue
Car Route Details
A richer read on the saved driving route between Houston and Shamrock.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
North Freeway
Merge slight left onto North Freeway
237 mi · 04h 09m
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 then Showers And Thunderstorms leaving Houston and Mostly Sunny then Slight 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 Houston to Shamrock?
The road trip is about 542.7 miles (873.4 km) and usually takes 09h 52m 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?
Blue Mound is a useful midpoint, sitting about 271.5 miles from Houston and 271.2 miles from Shamrock.
How much longer is the road route than the straight-line distance?
The direct path is about 472 miles (759.6 km), while the road route adds roughly 70.7 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 $72.37 one way or $144.74 round trip. Estimated CO2 is about 170.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms around Houston and Mostly Sunny then Slight Chance Showers And Thunderstorms near Shamrock.
Stop Ideas Near Blue Mound
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
The Keller Watertower
Arlington City Hall
Niles City Hall Saloon
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Blue Mound.
Fort Worth Central Station
Union Station
Dallas, TX
Cleburne
Flight Path Map
This map shows the direct air route between Houston and Shamrock. Straight-line distance: 471.99 mi (759.59 km).
#1 Houston
The fourth most populous city in the United States and the center of the Houston metropolitan area.
| Population | 2,316,120 |
| Coordinates | 29.7632800, -95.3632700 |
| Altitude | 12 |
| 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: 873 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 18h 04m |
| 40 mph (64.37 km/h) | 13h 34m |
| 50 mph (80.47 km/h) | 10h 51m |
| 60 mph (96.56 km/h) | 09h 02m |
| 70 mph (112.65 km/h) | 07h 45m |
| 80 mph (129 km/h) | 06h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $72.37 | $144.74 |
| Mid-grade | $4.25 | $81.43 | $162.85 |
| Premium | $4.59 | $87.92 | $175.84 |
| Diesel | $3.99 | $76.47 | $152.93 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.