How far is Smithville, TX from Houston, TX?
The driving distance from Smithville, TX to Houston, TX is about 120.4 miles (193.8 km), with a travel time of about 01h 57m by car.
- The straight-line flight distance is about 108.9 miles (175.3 km).
- For a round trip, plan for roughly 03h 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 01h 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 Polk County, Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Smithville and Houston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithville and Houston.
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1
Start on Main Street
13 m · 9 sec · Main Street
-
2
Turn left onto 3rd Street
2 mi · 3 min · 3rd Street
-
3
Take the ramp slight right
1456 ft · 40 sec
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4
Continue straight
140 m · 13 sec
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5
Merge slight left
103.1 mi · 1 hr 48 min
-
6
Take the exit slight left toward I 10 Toll: Katy Tollway
1548 ft · 22 sec
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7
Merge slight left onto Katy Tollway
3.2 mi · 4 min · Katy Tollway
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8
Take the exit slight right
1092 ft · 15 sec
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9
Merge slight right onto Katy Freeway
10.7 mi · 13 min · Katy Freeway
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10
Take the exit slight right toward Downtown, Theatre District
2064 ft · 52 sec
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11
Continue on Smith Street
704 ft · 29 sec · Smith Street
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12
Turn left onto Preston Street
101 m · 17 sec · Preston Street
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13
Turn left onto Louisiana Street
55 m · 5 sec · Louisiana Street
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14
Arrive at your destination
0 m · 1 sec · Louisiana Street
Car Route Details
A richer read on the saved driving route between Smithville and Houston.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
3rd Street
Merge slight left
103 mi · 01h 48m
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.
Chance Showers And Thunderstorms leaving Smithville and Chance Showers And Thunderstorms then Showers And Thunderstorms near Houston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithville to Houston?
The road trip is about 120.4 miles (193.8 km) and usually takes 01h 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?
Eagle Lake is a useful midpoint, sitting about 60.1 miles from Smithville and 60.3 miles from Houston.
How much longer is the road route than the straight-line distance?
The direct path is about 108.9 miles (175.3 km), while the road route adds roughly 11.5 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 2:34 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.06 one way or $32.12 round trip. Estimated CO2 is about 37.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Smithville and Chance Showers And Thunderstorms then Showers And Thunderstorms near Houston.
Stop Ideas Near Eagle Lake
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 Eagle Lake.
Prairie View, TX
Houston
Houston, TX
Flight Path Map
This map shows the direct air route between Smithville and Houston. Straight-line distance: 108.93 mi (175.3 km).
#1 Smithville
City in Texas
| Population | 4,664 |
| Coordinates | 30.0085500, -97.1594300 |
| Altitude | 99 |
| Country | United States |
#2 Houston
The fourth most populous city in the United States and the center of the Houston metropolitan area.
| Population | 2,316,120 |
| Coordinates | 29.7632800, -95.3632700 |
| Altitude | 12 |
| Country | United States |
End: Louisiana Street (-95.363596, 29.76347)
Estimated Travel Time
Distance: 194 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 00m |
| 40 mph (64.37 km/h) | 03h 00m |
| 50 mph (80.47 km/h) | 02h 24m |
| 60 mph (96.56 km/h) | 02h 00m |
| 70 mph (112.65 km/h) | 01h 43m |
| 80 mph (129 km/h) | 01h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $16.06 | $32.12 |
| Mid-grade | $4.25 | $18.07 | $36.14 |
| Premium | $4.59 | $19.51 | $39.02 |
| Diesel | $3.99 | $16.97 | $33.94 |
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.