How far is Sweeny, TX from Montopolis, TX?
The driving distance from Sweeny, TX to Montopolis, TX is about 167.1 miles (268.9 km), with a travel time of about 02h 53m by car.
- The straight-line flight distance is about 145.7 miles (234.5 km).
- For a round trip, plan for roughly 05h 47m 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 02h 53m.
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 Colorado County, Texas, United States
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 Sweeny and Montopolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sweeny and Montopolis.
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1
Start on North Main Street
24 m · 4 sec · North Main Street
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2
Turn right onto East 2nd Street
1.3 km · 1 min · East 2nd Street
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3
Continue on North McKinney Street
1588 ft · 32 sec · North McKinney Street
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4
Continue on East 7th Street
3.4 mi · 6 min · East 7th Street
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5
Turn right
4.6 mi · 7 min
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6
Turn sharp left onto North Columbia Drive
20.5 mi · 31 min · North Columbia Drive
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7
Turn left onto Main Street
8.9 mi · 16 min · Main Street
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8
At the end of the road, turn right
1 km · 1 min
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9
Turn left
4.6 mi · 8 min
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10
At the end of the road, turn left onto US Highway 90A West
5 mi · 7 min · US Highway 90A West
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11
Continue on Main Street
1.4 mi · 2 min · Main Street
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12
Continue on US Highway 90A
9.1 mi · 13 min · US Highway 90A
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13
Continue on Main Street
1.3 km · 1 min · Main Street
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14
Continue on US Highway 90A
5.4 mi · 6 min · US Highway 90A
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15
Continue on East Main Street
1.3 km · 2 min · East Main Street
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16
Turn slight left onto Boothe Drive
1844 ft · 52 sec · Boothe Drive
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17
Continue on South McCarty Avenue
1.3 km · 2 min · South McCarty Avenue
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18
Continue on US Highway 90A
7.4 mi · 8 min · US Highway 90A
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19
Turn right onto State Highway 71
9.8 mi · 10 min · State Highway 71
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20
Turn left onto I-10 Service Road
136 m · 9 sec · I-10 Service Road
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21
Take the ramp straight
1330 ft · 32 sec
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22
Merge slight left
1.3 mi · 1 min
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23
Take the exit slight right toward TX 71 West: La Grange, Austin
2832 ft · 33 sec
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24
Keep slight left
77.2 mi · 1 hr 22 min
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25
Continue on Bastrop Freeway
1.9 mi · 2 min · Bastrop Freeway
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26
Continue on East State Highway 71
2.2 mi · 3 min · East State Highway 71
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27
Take the exit slight right toward US 183 North, 183 Toll North: Lampasas
2773 ft · 1 min
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28
Merge slight left onto Bastrop Highway
2088 ft · 27 sec · Bastrop Highway
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29
Continue on Bergstrom Expressway
1.1 km · 41 sec · Bergstrom Expressway
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30
Take the exit slight right toward Loop 111: Cesar Chavez Street, 5th Street, 6th Street, 7th Street, Airport Boulevard
2724 ft · 54 sec
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31
Keep slight right to continue on Airport Boulevard
1278 ft · 34 sec · Airport Boulevard
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32
Continue on Airport Boulevard
2658 ft · 43 sec · Airport Boulevard
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33
Continue on Ed Bluestein Boulevard
552 ft · 9 sec · Ed Bluestein Boulevard
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34
Take the ramp straight toward 183 Toll South: Lockhart
148 m · 12 sec
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35
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Sweeny and Montopolis.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
TX 71 West
Keep slight left
77.2 mi · 01h 22m
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.
Mostly Cloudy leaving Sweeny and Mostly Cloudy near Montopolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sweeny to Montopolis?
The road trip is about 167.1 miles (268.9 km) and usually takes 02h 53m 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?
Columbus is a useful midpoint, sitting about 85.5 miles from Sweeny and 81.6 miles from Montopolis.
How much longer is the road route than the straight-line distance?
The direct path is about 145.7 miles (234.5 km), while the road route adds roughly 21.4 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 12:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.30 one way or $44.59 round trip. Estimated CO2 is about 52.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Sweeny and Mostly Cloudy near Montopolis.
Stop Ideas Near Columbus
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 Columbus.
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Houston, TX
Flight Path Map
This map shows the direct air route between Sweeny and Montopolis. Straight-line distance: 145.72 mi (234.51 km).
#1 Sweeny
City in Brazoria County, Texas, United States
| Population | 3,618 |
| Coordinates | 29.0388600, -95.6985600 |
| Altitude | 9 |
| Country | United States |
#2 Montopolis
This Travis County community, situated at an elevation of 469 feet, is known for its Colorado River industrial areas.
| Population | 912,791 |
| Coordinates | 30.2432700, -97.6905600 |
| Altitude | 143 |
| Country | United States |
End: 183 Toll (-97.690637, 30.243248)
Estimated Travel Time
Distance: 269 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 34m |
| 40 mph (64.37 km/h) | 04h 10m |
| 50 mph (80.47 km/h) | 03h 20m |
| 60 mph (96.56 km/h) | 02h 47m |
| 70 mph (112.65 km/h) | 02h 23m |
| 80 mph (129 km/h) | 02h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $22.30 | $44.59 |
| Mid-grade | $4.25 | $25.09 | $50.17 |
| Premium | $4.59 | $27.09 | $54.17 |
| Diesel | $3.99 | $23.56 | $47.12 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.