How far is Smithville, TX from Plano, TX?
The driving distance from Smithville, TX to Plano, TX is about 240.9 miles (387.7 km), with a travel time of about 04h 06m by car.
- The straight-line flight distance is about 209.8 miles (337.7 km).
- For a round trip, plan for roughly 08h 12m 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 04h 06m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Smithville and Plano.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithville and Plano.
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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
56.2 mi · 58 min
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17
Take the exit slight right toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street
2094 ft · 42 sec
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18
Keep slight left to continue on I 35E North, I 30 West: Denton, Fort Worth, Texarkana
129 m · 6 sec
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19
Keep slight right to continue on I 30 East: Texarkana, Convention Center
2206 ft · 33 sec
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20
Keep slight left to continue on I 30 East: Texarkana
117 m · 6 sec
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21
Continue on East R L Thornton Freeway
1.2 km · 1 min · East R L Thornton Freeway
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22
Take the exit slight right toward I 45, US 75: Houston, McKinney
2421 ft · 46 sec
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23
Keep slight left to continue on US 75 North: McKinney
2512 ft · 1 min
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24
Keep slight right to continue on US 75 North: McKinney, Bryan Street East
1697 ft · 27 sec
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25
Merge slight left onto Julius Schepps Freeway
1.2 km · 49 sec · Julius Schepps Freeway
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26
Continue on North Central Expressway
15.2 mi · 16 min · North Central Expressway
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27
Take the exit slight right toward Plano Parkway, 15th Street
2162 ft · 53 sec
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28
Turn straight onto North Central Expressway
1.4 mi · 2 min · North Central Expressway
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29
Turn right onto East 15th Street
3101 ft · 1 min · East 15th Street
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30
Arrive at your destination
0 m · 1 sec · East 15th Street
Car Route Details
A richer read on the saved driving route between Smithville and Plano.
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.
Mostly Cloudy leaving Smithville and Mostly Cloudy near Plano.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithville to Plano?
The road trip is about 240.9 miles (387.7 km) and usually takes 04h 06m 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?
Lorena is a useful midpoint, sitting about 126.8 miles from Smithville and 114.1 miles from Plano.
How much longer is the road route than the straight-line distance?
The direct path is about 209.8 miles (337.7 km), while the road route adds roughly 31.1 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 8:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.12 one way or $64.24 round trip. Estimated CO2 is about 75.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Smithville and Mostly Cloudy near Plano.
Stop Ideas Near Lorena
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 Lorena.
McGregor
Waco, TX
Temple
Killeen, Texas
Flight Path Map
This map shows the direct air route between Smithville and Plano. Straight-line distance: 209.82 mi (337.67 km).
#1 Smithville
City in Texas
| Population | 4,664 |
| Coordinates | 30.0085500, -97.1594300 |
| Altitude | 99 |
| Country | United States |
#2 Plano
The second most populous city in Texas and the center of the Dallas-Fort Worth metropolitan area.
| Population | 291,296 |
| Coordinates | 33.0198400, -96.6988900 |
| Altitude | 203 |
| Country | United States |
End: East 15th Street (-96.698873, 33.019694)
Estimated Travel Time
Distance: 388 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 01m |
| 40 mph (64.37 km/h) | 06h 01m |
| 50 mph (80.47 km/h) | 04h 49m |
| 60 mph (96.56 km/h) | 04h 00m |
| 70 mph (112.65 km/h) | 03h 26m |
| 80 mph (129 km/h) | 03h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $32.12 | $64.24 |
| Mid-grade | $4.25 | $36.14 | $72.28 |
| Premium | $4.59 | $39.02 | $78.05 |
| Diesel | $3.99 | $33.94 | $67.88 |
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.