How far is Arlington, TX from Round Rock, TX?
The driving distance from Arlington, TX to Round Rock, TX is about 180.7 miles (290.8 km), with a travel time of about 03h 14m by car.
- The straight-line flight distance is about 157.5 miles (253.5 km).
- For a round trip, plan for roughly 06h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 14m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Texas, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Mostly Cloudy
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Arlington and Round Rock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Arlington and Round Rock.
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1
Start on West Abram Street
28 m · 8 sec · West Abram Street
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2
Continue on West Abram Street
127 m · 22 sec · West Abram Street
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3
Turn right onto South Center Street
2 mi · 4 min · South Center Street
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4
Turn right onto West Pioneer Parkway
2543 ft · 49 sec · West Pioneer Parkway
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5
Turn left onto South Cooper Street
1.5 mi · 2 min · South Cooper Street
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6
Keep slight right to continue on South Cooper Street
1.5 km · 2 min · South Cooper Street
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7
Take the ramp straight toward I 20 West: Fort Worth
2943 ft · 1 min
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8
Merge slight left onto Ronald Reagan Memorial Highway
10.3 mi · 11 min · Ronald Reagan Memorial Highway
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9
Take the exit slight right toward I 35W South, I 35W North: Waco, Denton
1177 ft · 29 sec
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10
Keep slight left to continue on I 35W South: Waco
1.4 km · 2 min
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11
Merge slight left onto South Freeway
78 mi · 1 hr 21 min · South Freeway
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12
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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13
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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14
Keep slight left
40.2 mi · 41 min
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15
Take the exit slight right toward RM 620: McNeil Road
1111 ft · 27 sec
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16
Turn straight onto North Interstate 35
1387 ft · 21 sec · North Interstate 35
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17
Turn left onto Round Rock Avenue
2128 ft · 53 sec · Round Rock Avenue
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18
Enter the roundabout and take exit 1 toward North Blair Street
13 m · 1 sec · North Blair Street
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19
Exit the roundabout onto North Blair Street
58 m · 10 sec · North Blair Street
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20
Turn left onto West Main Street
107 m · 16 sec · West Main Street
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21
Turn right onto South Mays Street
33 m · 3 sec · South Mays Street
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22
Arrive at your destination
0 m · 1 sec · South Mays Street
Car Route Details
A richer read on the saved driving route between Arlington 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
78 mi · 01h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Slight Chance Showers And Thunderstorms then Mostly Cloudy leaving Arlington and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Round Rock.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Arlington to Round Rock?
The road trip is about 180.7 miles (290.8 km) and usually takes 03h 14m 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?
Northcrest is a useful midpoint, sitting about 90.5 miles from Arlington and 90.2 miles from Round Rock.
How much longer is the road route than the straight-line distance?
The direct path is about 157.5 miles (253.5 km), while the road route adds roughly 23.2 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 10:30 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.11 one way or $48.22 round trip. Estimated CO2 is about 56.7 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms then Mostly Cloudy around Arlington and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Round Rock.
Stop Ideas Near Northcrest
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 Northcrest.
Waco, TX
McGregor
Temple
Killeen, Texas
Flight Path Map
This map shows the direct air route between Arlington and Round Rock. Straight-line distance: 157.52 mi (253.51 km).
#1 Arlington
The third most populous city in Texas and the center of the Dallas-Fort Worth metropolitan area.
| Population | 398,864 |
| Coordinates | 32.7356900, -97.1080700 |
| Altitude | 184 |
| 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: 291 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 01m |
| 40 mph (64.37 km/h) | 04h 31m |
| 50 mph (80.47 km/h) | 03h 36m |
| 60 mph (96.56 km/h) | 03h 00m |
| 70 mph (112.65 km/h) | 02h 34m |
| 80 mph (129 km/h) | 02h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $24.11 | $48.22 |
| Mid-grade | $4.25 | $27.13 | $54.26 |
| Premium | $4.59 | $29.29 | $58.58 |
| Diesel | $3.99 | $25.48 | $50.95 |
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.