How far is Garland, TX from Round Rock, TX?
The driving distance from Garland, TX to Round Rock, TX is about 327.4 miles (526.9 km), with a travel time of about 05h 51m by car.
- The straight-line flight distance is about 272.5 miles (438.6 km).
- For a round trip, plan for roughly 11h 43m 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 05h 51m.
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.
A city in Dallas County, Texas.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Garland and Round Rock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Garland and Round Rock.
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1
Start on the route
2.1 mi · 5 min
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2
At the end of the road, turn right onto US Highway 259 South
16.3 mi · 24 min · US Highway 259 South
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3
Take the ramp right
2301 ft · 56 sec
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4
Merge slight left
131.8 mi · 2 hr 17 min
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5
Take the exit slight right toward I 35E: Denton, Waco
3065 ft · 1 min
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6
Keep slight left to continue on I 35E South, I 35E North: Waco, Denton
607 ft · 15 sec
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7
Keep slight left to continue on I 35E North, I 35E South: Denton, Waco
67 m · 5 sec
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8
Keep slight left to continue on I 35E South: Waco
1915 ft · 30 sec
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9
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
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10
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
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11
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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12
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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13
Keep slight left
40.2 mi · 41 min
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14
Take the exit slight right toward RM 620: McNeil Road
1111 ft · 27 sec
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15
Turn straight onto North Interstate 35
1387 ft · 21 sec · North Interstate 35
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16
Turn left onto Round Rock Avenue
2128 ft · 53 sec · Round Rock Avenue
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17
Enter the roundabout and take exit 1 toward North Blair Street
13 m · 1 sec · North Blair Street
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18
Exit the roundabout onto North Blair Street
58 m · 10 sec · North Blair Street
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19
Turn left onto West Main Street
107 m · 16 sec · West Main Street
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20
Turn right onto South Mays Street
33 m · 3 sec · South Mays Street
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21
Arrive at your destination
0 m · 1 sec · South Mays Street
Car Route Details
A richer read on the saved driving route between Garland and Round Rock.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
US Highway 259 South
Merge slight left
132 mi · 02h 17m
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.
Partly Sunny leaving Garland 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 Garland to Round Rock?
The road trip is about 327.4 miles (526.9 km) and usually takes 05h 51m 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?
DeSoto is a useful midpoint, sitting about 163.8 miles from Garland and 163.6 miles from Round Rock.
How much longer is the road route than the straight-line distance?
The direct path is about 272.5 miles (438.6 km), while the road route adds roughly 54.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 5:16 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.65 one way or $87.29 round trip. Estimated CO2 is about 102.6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Garland and Mostly Cloudy near Round Rock.
Stop Ideas Near DeSoto
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Anju
Dallas Environmental Quality
Dallas City Hall
Dallas Water Utilities Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to DeSoto.
Union Station
Dallas, TX
Mesquite, TX
Fort Worth Central Station
Flight Path Map
This map shows the direct air route between Garland and Round Rock. Straight-line distance: 272.53 mi (438.59 km).
#1 Garland
The fourth most populous city in Texas.
| Population | 238,139 |
| Coordinates | 33.5165000, -94.6693800 |
| Altitude | 117 |
| 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: 527 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 54m |
| 40 mph (64.37 km/h) | 08h 11m |
| 50 mph (80.47 km/h) | 06h 32m |
| 60 mph (96.56 km/h) | 05h 27m |
| 70 mph (112.65 km/h) | 04h 40m |
| 80 mph (129 km/h) | 04h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $43.65 | $87.29 |
| Mid-grade | $4.25 | $49.11 | $98.22 |
| Premium | $4.59 | $53.03 | $106.05 |
| Diesel | $3.99 | $46.12 | $92.24 |
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 · May 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.