How far is Dallas, TX from Dilley, TX?
The driving distance from Dallas, TX to Dilley, TX is about 344.8 miles (554.9 km), with a travel time of about 06h 07m by car.
- The straight-line flight distance is about 317.1 miles (510.3 km).
- For a round trip, plan for roughly 12h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 07m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
The most populous city in Williamson County, Texas.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Partly Sunny
Driving Route Map
The map below follows the saved road route between Dallas and Dilley.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dallas and Dilley.
-
1
Start on North Lamar Street
1233 ft · 34 sec · North Lamar Street
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2
Turn right onto Elm Street
1125 ft · 31 sec · Elm Street
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3
Continue on Elm Street
709 ft · 14 sec · Elm Street
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4
Take the ramp straight toward I 30, I 35E
100 m · 8 sec
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5
Keep slight left to continue on I 30 West, I 35E South
835 ft · 20 sec
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6
Keep slight right to continue on I 35E South
101 m · 8 sec
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7
Merge slight right onto South Stemmons Freeway
1.4 km · 1 min · South Stemmons Freeway
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8
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
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9
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
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10
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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11
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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12
Keep slight left
55.8 mi · 59 min
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13
Keep slight left to continue on Purple Heart Trail
49.8 mi · 55 min · Purple Heart Trail
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14
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
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15
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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16
Continue on North Pan Am Expressway
10 mi · 12 min · North Pan Am Expressway
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17
Keep slight left to continue on North Pan Am Expressway
6.4 mi · 8 min · North Pan Am Expressway
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18
Keep slight left to continue on North Pan Am Expressway
2.1 mi · 3 min · North Pan Am Expressway
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19
Keep slight right to continue on South Pan Am Expressway
10.4 mi · 12 min · South Pan Am Expressway
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20
Continue on Purple Heart Trail
57.7 mi · 58 min · Purple Heart Trail
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21
Take the exit slight right toward Dilley
1564 ft · 38 sec
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22
Turn straight onto South I 35 Access Road West
707 ft · 24 sec · South I 35 Access Road West
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23
Turn left
2.4 mi · 4 min
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24
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Dallas and Dilley.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
South R L Thornton Freeway
Continue on South R L Thornton Freeway
89.3 mi · 01h 32m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Cloudy leaving Dallas and Partly Sunny near Dilley.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dallas to Dilley?
The road trip is about 344.8 miles (554.9 km) and usually takes 06h 07m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Georgetown is a useful midpoint, sitting about 172.7 miles from Dallas and 172.1 miles from Dilley.
How much longer is the road route than the straight-line distance?
The direct path is about 317.1 miles (510.3 km), while the road route adds roughly 27.7 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.99 one way or $91.98 round trip. Estimated CO2 is about 108.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Dallas and Partly Sunny near Dilley.
Stop Ideas Near Georgetown
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 Georgetown.
Taylor
Austin
Killeen, Texas
Fort Hood, Texas
Flight Path Map
This map shows the direct air route between Dallas and Dilley. Straight-line distance: 317.1 mi (510.33 km).
#1 Dallas
The ninth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.
| Population | 1,343,266 |
| Coordinates | 32.7830600, -96.8066700 |
| Altitude | 128 |
| Country | United States |
#2 Dilley
City in Frio County, Texas, United States
| Population | 4,527 |
| Coordinates | 28.6674800, -99.1705900 |
| Altitude | 171 |
| Country | United States |
End: Dilley (-99.17059, 28.66748)
Estimated Travel Time
Distance: 555 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 29m |
| 40 mph (64.37 km/h) | 08h 37m |
| 50 mph (80.47 km/h) | 06h 53m |
| 60 mph (96.56 km/h) | 05h 44m |
| 70 mph (112.65 km/h) | 04h 55m |
| 80 mph (129 km/h) | 04h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $45.99 | $91.98 |
| Mid-grade | $4.25 | $51.75 | $103.49 |
| Premium | $4.59 | $55.87 | $111.74 |
| Diesel | $3.99 | $48.59 | $97.19 |
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.