How far is Round Rock, TX from Killeen, TX?
The driving distance from Round Rock, TX to Killeen, TX is about 49.4 miles (79.5 km), with a travel time of about 00h 57m by car.
- The straight-line flight distance is about 42.2 miles (67.9 km).
- For a round trip, plan for roughly 01h 55m 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 00h 57m.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Round Rock and Killeen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Round Rock and Killeen.
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1
Start on South Mays Street
142 m · 19 sec · South Mays Street
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2
Turn left onto West Liberty Avenue
573 ft · 17 sec · West Liberty Avenue
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3
At the end of the road, turn right onto Round Rock Avenue
1498 ft · 37 sec · Round Rock Avenue
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4
Turn right onto North Interstate 35
1544 ft · 24 sec · North Interstate 35
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5
Take the ramp slight left toward I 35 North
1143 ft · 28 sec
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6
Merge slight left onto Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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7
Take the exit slight right toward TX 195 North: Florence, Killeen
1.1 mi · 2 min
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8
Keep slight right to continue on TX 195 North: Florence, Killeen
874 ft · 21 sec
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9
Continue on North Interstate 35
1424 ft · 26 sec · North Interstate 35
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10
Turn left onto State Highway 195
34 mi · 38 min · State Highway 195
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11
Turn slight right
80 m · 10 sec
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12
Turn slight right onto West Veterans Memorial Boulevard
1.4 km · 2 min · West Veterans Memorial Boulevard
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13
Turn left
25 m · 8 sec
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14
Turn right
23 m · 5 sec
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15
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Round Rock and Killeen.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
State Highway 195
Turn left onto State Highway 195
34 mi · 00h 38m
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 Chance Showers And Thunderstorms near Killeen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Round Rock to Killeen?
The road trip is about 49.4 miles (79.5 km) and usually takes 00h 57m 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?
Florence is a useful midpoint, sitting about 24.7 miles from Round Rock and 24.7 miles from Killeen.
How much longer is the road route than the straight-line distance?
The direct path is about 42.2 miles (67.9 km), while the road route adds roughly 7.2 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 4:34 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.58 one way or $13.15 round trip. Estimated CO2 is about 15.5 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 Chance Showers And Thunderstorms near Killeen.
Stop Ideas Near Florence
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 Florence.
Killeen, Texas
Fort Hood, Texas
Taylor
Temple
Flight Path Map
This map shows the direct air route between Round Rock and Killeen. Straight-line distance: 42.17 mi (67.86 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 Killeen
The 11th most populous city in Texas.
| Population | 153,991 |
| Coordinates | 31.1171200, -97.7278000 |
| Altitude | 252 |
| Country | United States |
End: Killeen (-97.7278, 31.11712)
Estimated Travel Time
Distance: 80 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 38m |
| 40 mph (64.37 km/h) | 01h 14m |
| 50 mph (80.47 km/h) | 00h 59m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $6.58 | $13.15 |
| Mid-grade | $4.25 | $7.40 | $14.80 |
| Premium | $4.59 | $7.99 | $15.98 |
| Diesel | $3.99 | $6.95 | $13.90 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.