How far is Fort Worth, TX from Round Rock, TX?
The driving distance from Fort Worth, TX to Round Rock, TX is about 168.3 miles (270.8 km), with a travel time of about 02h 56m by car.
- The straight-line flight distance is about 154.7 miles (248.9 km).
- For a round trip, plan for roughly 05h 52m 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 56m.
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.
City in McLennan County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Fort Worth and Round Rock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Worth and Round Rock.
-
1
Start on South Freeway
53 m · 4 sec · South Freeway
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2
Take the ramp slight left toward I 35W South
1365 ft · 33 sec
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3
Merge slight left onto South Freeway
82.3 mi · 1 hr 25 min · South Freeway
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4
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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5
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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6
Keep slight left
40.2 mi · 41 min
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7
Take the exit slight right toward RM 620: McNeil Road
1111 ft · 27 sec
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8
Turn straight onto North Interstate 35
1387 ft · 21 sec · North Interstate 35
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9
Turn left onto Round Rock Avenue
2128 ft · 53 sec · Round Rock Avenue
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10
Enter the roundabout and take exit 1 toward North Blair Street
13 m · 1 sec · North Blair Street
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11
Exit the roundabout onto North Blair Street
58 m · 10 sec · North Blair Street
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12
Turn left onto West Main Street
107 m · 16 sec · West Main Street
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13
Turn right onto South Mays Street
33 m · 3 sec · South Mays Street
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14
Arrive at your destination
0 m · 1 sec · South Mays Street
Car Route Details
A richer read on the saved driving route between Fort Worth and Round Rock.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
South Freeway
Merge slight left onto South Freeway
82.3 mi · 01h 25m
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.
Mostly Cloudy then Chance Showers And Thunderstorms leaving Fort Worth and Mostly Cloudy near Round Rock.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Worth to Round Rock?
The road trip is about 168.3 miles (270.8 km) and usually takes 02h 56m 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?
Bellmead is a useful midpoint, sitting about 84.3 miles from Fort Worth and 83.9 miles from Round Rock.
How much longer is the road route than the straight-line distance?
The direct path is about 154.7 miles (248.9 km), while the road route adds roughly 13.6 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 12:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.45 one way or $44.89 round trip. Estimated CO2 is about 52.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around Fort Worth and Mostly Cloudy near Round Rock.
Stop Ideas Near Bellmead
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Riesel City Hall
Waco City Hall
Robinson City Police Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bellmead.
Waco, TX
McGregor
Temple
Killeen, Texas
Flight Path Map
This map shows the direct air route between Fort Worth and Round Rock. Straight-line distance: 154.63 mi (248.86 km).
#1 Fort Worth
The twelfth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.
| Population | 927,720 |
| Coordinates | 32.7254100, -97.3208500 |
| Altitude | 199 |
| Country | United States |
#2 Round Rock
The fourth most populous city in Williamson County, Texas.
| Population | 137,575 |
| Coordinates | 30.5082600, -97.6789000 |
| Altitude | 224 |
| Country | United States |
End: Round Rock (-97.6789, 30.50826)
Estimated Travel Time
Distance: 271 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 36m |
| 40 mph (64.37 km/h) | 04h 12m |
| 50 mph (80.47 km/h) | 03h 21m |
| 60 mph (96.56 km/h) | 02h 48m |
| 70 mph (112.65 km/h) | 02h 24m |
| 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 | $22.45 | $44.89 |
| Mid-grade | $4.25 | $25.26 | $50.51 |
| Premium | $4.59 | $27.27 | $54.54 |
| Diesel | $3.99 | $23.72 | $47.44 |
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.