How far is Round Rock, TX from Fort Worth, TX?
Fastest route
The route from Round Rock, Texas, USA to Fort Worth, Texas, USA is approximately 172 miles and takes about 2 hours and 28 minutes via I-35 N and I-35W N.
Directions
- Get on I-35 N from Round Rock Ave and N Interstate 35 Frontage Rd.
- Head north on S Mays St toward E Main St.
- Turn left at the 1st cross street onto W Main St.
- Turn right at the 1st cross street onto S Blair St.
- At the traffic circle, take the 2nd exit onto Round Rock Ave.
- Turn right onto N Interstate 35 Frontage Rd.
- Slight left to merge onto I-35 N.
- Follow I-35 N and I-35W N to E 4th St in Fort Worth. Take the East 4th Street exit from TX-280 Spur.
- Continue onto Monarch Hwy/Purple Heart Trail.
- Continue onto I-35 N/Monarch Hwy/Purple Heart Trail.
- Keep left at the fork to continue on I-35W N, follow signs for Interstate 35W/Ft Worth.
- Use the right lane to stay on I-35W N.
- Take exit 52A toward 52A/TX-280 Spur/Downtown.
- Use the right 2 lanes to take the East 4th Street exit.
- Keep left and merge onto E 4th St.
- Continue on E 4th St and drive to Commerce St.
- Turn right onto Commerce St.
Tips & Suggestions
- 🚗 Plan your trip in advance to ensure a smooth journey.
- ⛽️ Check your vehicle's fuel level and consider refueling before starting the trip.
- 🚦 Stay alert and follow traffic rules and regulations.
- 📱 Use a navigation app or GPS device to navigate through the route.
- 🚧 Be prepared for possible traffic conditions and delays along the way.
- 📅 Take into account the time of day you plan to travel to adjust for rush hour traffic, if applicable.
- 🗺 Familiarize yourself with the route and major landmarks to stay on track.
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 25m.
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
Mostly Cloudy then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Round Rock and Fort Worth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Round Rock and Fort Worth.
-
1
Start on South Mays Street
142 m · 19 sec · South Mays Street
-
2
Turn left onto West Liberty Avenue
573 ft · 17 sec · West Liberty Avenue
-
3
At the end of the road, turn right onto Round Rock Avenue
1498 ft · 37 sec · Round Rock Avenue
-
4
Turn right onto North Interstate 35
1544 ft · 24 sec · North Interstate 35
-
5
Take the ramp slight left toward I 35 North
1143 ft · 28 sec
-
6
Merge slight left onto Purple Heart Trail
78.1 mi · 1 hr 20 min · Purple Heart Trail
-
7
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
-
8
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
-
9
Keep slight left to continue on I 35W: Fort Worth
49.2 mi · 52 min
-
10
Take the exit slight right toward Allen Avenue
1435 ft · 35 sec
-
11
Turn straight onto South Freeway
540 ft · 18 sec · South Freeway
-
12
Turn left onto East Allen Avenue
64 m · 13 sec · East Allen Avenue
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13
Turn left onto South Freeway
79 m · 5 sec · South Freeway
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14
Arrive at your destination
0 m · 1 sec · South Freeway
Car Route Details
A richer read on the saved driving route between Round Rock and Fort Worth.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Purple Heart Trail
Merge slight left onto Purple Heart Trail
78.1 mi · 01h 20m
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 leaving Round Rock and Mostly Cloudy then Chance Showers And Thunderstorms near Fort Worth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Round Rock to Fort Worth?
The road trip is about 169 miles (271.9 km) and usually takes 02h 25m 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 84.4 miles from Round Rock and 84.6 miles from Fort Worth.
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 14.3 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 1:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.52 one way or $45.05 round trip. Estimated CO2 is about 53 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Round Rock and Mostly Cloudy then Chance Showers And Thunderstorms near Fort Worth.
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 Round Rock and Fort Worth. Straight-line distance: 154.63 mi (248.86 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 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 |
End: South Freeway (-97.320871, 32.725411)
Estimated Travel Time
Distance: 272 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 37m |
| 40 mph (64.37 km/h) | 04h 13m |
| 50 mph (80.47 km/h) | 03h 22m |
| 60 mph (96.56 km/h) | 02h 48m |
| 70 mph (112.65 km/h) | 02h 24m |
| 80 mph (129 km/h) | 02h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $22.52 | $45.05 |
| Mid-grade | $4.25 | $25.34 | $50.68 |
| Premium | $4.59 | $27.36 | $54.72 |
| Diesel | $3.99 | $23.80 | $47.60 |
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.