How far is Round Rock, TX from Arlington, TX?
The driving distance from Round Rock, TX to Arlington, TX is about 181.7 miles (292.4 km), with a travel time of about 02h 44m by car.
- The straight-line flight distance is about 157.5 miles (253.5 km).
- For a round trip, plan for roughly 05h 28m 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 44m.
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 Texas, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Round Rock and Arlington.
Turn-by-Turn Driving Directions
Step-by-step road directions between Round Rock and Arlington.
-
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
45.1 mi · 47 min
-
10
Take the exit slight right toward I 20 East: Dallas
1752 ft · 43 sec
-
11
Keep slight left to continue on I 20 East: Dallas
2391 ft · 58 sec
-
12
Merge slight left onto Ronald Reagan Memorial Highway
5.7 mi · 6 min · Ronald Reagan Memorial Highway
-
13
Keep slight left to continue on Ronald Reagan Memorial Highway
4.6 mi · 5 min · Ronald Reagan Memorial Highway
-
14
Take the exit slight right toward FM 157 South: UT Arlington, Mansfield
1054 ft · 26 sec
-
15
Continue on West Interstate 20
1357 ft · 25 sec · West Interstate 20
-
16
Turn left onto South Cooper Street
1 mi · 2 min · South Cooper Street
-
17
Keep slight right to continue on South Cooper Street
1.7 mi · 3 min · South Cooper Street
-
18
Turn right onto West Pioneer Parkway
2548 ft · 51 sec · West Pioneer Parkway
-
19
Turn left onto South Center Street
1.2 mi · 2 min · South Center Street
-
20
Continue on South Mesquite Street
1.3 km · 2 min · South Mesquite Street
-
21
Turn left onto East Abram Street
708 ft · 26 sec · East Abram Street
-
22
Arrive at your destination
0 m · 1 sec · West Abram Street
Car Route Details
A richer read on the saved driving route between Round Rock and Arlington.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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.
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms leaving Round Rock and Slight Chance Showers And Thunderstorms then Mostly Cloudy near Arlington.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Round Rock to Arlington?
The road trip is about 181.7 miles (292.4 km) and usually takes 02h 44m 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?
Northcrest is a useful midpoint, sitting about 90.5 miles from Round Rock and 91.2 miles from Arlington.
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 24.2 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.22 one way or $48.45 round trip. Estimated CO2 is about 57 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 Slight Chance Showers And Thunderstorms then Mostly Cloudy near Arlington.
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 Round Rock and Arlington. Straight-line distance: 157.52 mi (253.51 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 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 |
End: West Abram Street (-97.108073, 32.735603)
Estimated Travel Time
Distance: 292 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 03m |
| 40 mph (64.37 km/h) | 04h 32m |
| 50 mph (80.47 km/h) | 03h 38m |
| 60 mph (96.56 km/h) | 03h 01m |
| 70 mph (112.65 km/h) | 02h 35m |
| 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 | $24.22 | $48.45 |
| Mid-grade | $4.25 | $27.26 | $54.51 |
| Premium | $4.59 | $29.43 | $58.86 |
| Diesel | $3.99 | $25.60 | $51.19 |
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.