How far is Round Rock, TX from Houston, TX?
The driving distance from Round Rock, TX to Houston, TX is about 167.5 miles (269.5 km), with a travel time of about 02h 43m by car.
- The straight-line flight distance is about 147.6 miles (237.6 km).
- For a round trip, plan for roughly 05h 26m 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 02h 43m.
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.
Town in Washington County, Texas, US
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Round Rock and Houston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Round Rock and Houston.
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1
Start on South Mays Street
142 m · 19 sec · South Mays Street
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2
Turn left onto West Liberty Avenue
573 ft · 17 sec · West Liberty Avenue
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3
At the end of the road, turn right onto Round Rock Avenue
1915 ft · 52 sec · Round Rock Avenue
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4
Turn sharp left onto North Interstate 35
1228 ft · 20 sec · North Interstate 35
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5
Turn straight onto I 35 South
956 ft · 23 sec
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6
Merge slight left onto Purple Heart Trail
5.9 mi · 6 min · Purple Heart Trail
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7
Take the exit slight right toward FM 734: Parmer Lane, Yager Lane
794 ft · 19 sec
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8
Turn straight onto North Interstate 35
2594 ft · 52 sec · North Interstate 35
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9
Turn slight right
94 m · 11 sec
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10
Continue straight
1090 ft · 40 sec
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11
Keep slight left
59 m · 9 sec
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12
Turn straight onto East Parmer Lane
7.6 mi · 11 min · East Parmer Lane
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13
Turn left onto East US Highway 290
42.1 mi · 49 min · East US Highway 290
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14
Continue on West Austin Street
32.9 mi · 37 min · West Austin Street
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15
Take the exit slight right toward US 290 East, TX 36 South: Houston, Bellville
1393 ft · 38 sec
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16
Merge slight left onto US Highway 290 West
64.8 mi · 1 hr 14 min · US Highway 290 West
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17
Take the exit slight right toward Mangum Road, Dacoma Street
815 ft · 20 sec
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18
Turn straight onto Northwest Freeway Frontage Road
3049 ft · 1 min · Northwest Freeway Frontage Road
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19
Turn right onto Mangum Road
1 km · 1 min · Mangum Road
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20
Continue on Hempstead Road
2 mi · 4 min · Hempstead Road
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21
Continue on Washington Avenue
2081 ft · 46 sec · Washington Avenue
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22
Continue on Westcott Street
154 m · 13 sec · Westcott Street
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23
Take the ramp slight left
1015 ft · 25 sec
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24
Merge slight left onto Katy Freeway
4 mi · 5 min · Katy Freeway
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25
Take the exit slight right toward Downtown, Theatre District
2064 ft · 52 sec
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26
Continue on Smith Street
704 ft · 29 sec · Smith Street
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27
Turn left onto Preston Street
101 m · 17 sec · Preston Street
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28
Turn left onto Louisiana Street
55 m · 5 sec · Louisiana Street
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29
Arrive at your destination
0 m · 1 sec · Louisiana Street
Car Route Details
A richer read on the saved driving route between Round Rock and Houston.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US Highway 290 West
Merge slight left onto US Highway 290 West
64.8 mi · 01h 14m
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.
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms leaving Round Rock and Chance Showers And Thunderstorms then 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 Round Rock to Houston?
The road trip is about 167.5 miles (269.5 km) and usually takes 02h 43m 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?
Burton is a useful midpoint, sitting about 82 miles from Round Rock and 85.4 miles from Houston.
How much longer is the road route than the straight-line distance?
The direct path is about 147.6 miles (237.6 km), while the road route adds roughly 19.9 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 1:04 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.33 one way or $44.67 round trip. Estimated CO2 is about 52.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms around Round Rock and Chance Showers And Thunderstorms then Showers And Thunderstorms near Houston.
Stop Ideas Near Burton
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 Burton.
Bryan, TX
Prairie View, TX
Taylor
Austin
Flight Path Map
This map shows the direct air route between Round Rock and Houston. Straight-line distance: 147.63 mi (237.59 km).
#1 Round Rock
The fourth most populous city in Williamson County, Texas.
| Population | 137,575 |
| Coordinates | 30.5082600, -97.6789000 |
| Altitude | 224 |
| Country | United States |
#2 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 |
End: Louisiana Street (-95.363596, 29.76347)
Estimated Travel Time
Distance: 270 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 34m |
| 40 mph (64.37 km/h) | 04h 11m |
| 50 mph (80.47 km/h) | 03h 20m |
| 60 mph (96.56 km/h) | 02h 47m |
| 70 mph (112.65 km/h) | 02h 23m |
| 80 mph (129 km/h) | 02h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $22.33 | $44.67 |
| Mid-grade | $4.25 | $25.13 | $50.26 |
| Premium | $4.59 | $27.13 | $54.27 |
| Diesel | $3.99 | $23.60 | $47.20 |
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.