How far is Smithville, TX from Dallas, TX?
The driving distance from Smithville, TX to Dallas, TX is about 221.8 miles (356.9 km), with a travel time of about 03h 44m by car.
- The straight-line flight distance is about 192.8 miles (310.3 km).
- For a round trip, plan for roughly 07h 28m 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 44m.
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 Bell County, Texas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Smithville and Dallas.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithville and Dallas.
-
1
Start on Main Street
13 m · 5 sec · Main Street
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2
Turn right onto 3rd Street
1207 ft · 24 sec · 3rd Street
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3
Turn right onto Royston Street
852 ft · 20 sec · Royston Street
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4
Continue on Loop 230
1.6 mi · 2 min · Loop 230
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5
Take the ramp left
12.9 mi · 14 min
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6
Continue straight
1.2 km · 50 sec
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7
Continue straight
17.1 mi · 19 min
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8
Take the exit slight right toward TX 71 West, TX 45 Toll, TX 130 Toll: Austin, Waco, San Antonio
1574 ft · 22 sec · East State Highway 71
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9
Turn right onto State Highway 130
1.1 km · 2 min · State Highway 130
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10
Take the ramp straight toward TX 45 Toll North, TX 130 Toll North
1734 ft · 42 sec
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11
Merge slight left onto Pickle Parkway
36.9 mi · 35 min · Pickle Parkway
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12
Keep slight left to continue on I 35 North: Waco
2045 ft · 50 sec
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13
Merge slight left onto Purple Heart Trail
64.7 mi · 1 hr 6 min · Purple Heart Trail
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14
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
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15
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
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16
Keep slight right to continue on I 35E: Dallas
58.1 mi · 1 hr 1 min
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17
Take the exit slight right toward Continental Avenue
1188 ft · 31 sec
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18
Turn right onto Continental Avenue
1275 ft · 31 sec · Continental Avenue
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19
Turn slight right onto North Lamar Street
132 m · 11 sec · North Lamar Street
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20
Arrive at your destination
0 m · 1 sec · North Lamar Street
Car Route Details
A richer read on the saved driving route between Smithville and Dallas.
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
64.7 mi · 01h 06m
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.
Chance Showers And Thunderstorms leaving Smithville and Chance Showers And Thunderstorms near Dallas.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithville to Dallas?
The road trip is about 221.8 miles (356.9 km) and usually takes 03h 44m 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?
Troy is a useful midpoint, sitting about 117.3 miles from Smithville and 104.5 miles from Dallas.
How much longer is the road route than the straight-line distance?
The direct path is about 192.8 miles (310.3 km), while the road route adds roughly 29 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 9:32 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.55 one way or $59.10 round trip. Estimated CO2 is about 69.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Smithville and Chance Showers And Thunderstorms near Dallas.
Stop Ideas Near Troy
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 Troy.
Temple
McGregor
Killeen, Texas
Waco, TX
Flight Path Map
This map shows the direct air route between Smithville and Dallas. Straight-line distance: 192.82 mi (310.32 km).
#1 Smithville
City in Texas
| Population | 4,664 |
| Coordinates | 30.0085500, -97.1594300 |
| Altitude | 99 |
| Country | United States |
#2 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 |
End: North Lamar Street (-96.806574, 32.783135)
Estimated Travel Time
Distance: 357 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 23m |
| 40 mph (64.37 km/h) | 05h 32m |
| 50 mph (80.47 km/h) | 04h 26m |
| 60 mph (96.56 km/h) | 03h 41m |
| 70 mph (112.65 km/h) | 03h 10m |
| 80 mph (129 km/h) | 02h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $29.55 | $59.10 |
| Mid-grade | $4.25 | $33.25 | $66.50 |
| Premium | $4.59 | $35.90 | $71.80 |
| Diesel | $3.99 | $31.23 | $62.45 |
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.