How far is Montopolis, TX from Seadrift, TX?
The driving distance from Montopolis, TX to Seadrift, TX is about 150.3 miles (241.9 km), with a travel time of about 03h 10m by car.
- The straight-line flight distance is about 139.3 miles (224.2 km).
- For a round trip, plan for roughly 06h 20m 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 10m.
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.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Montopolis and Seadrift.
Turn-by-Turn Driving Directions
Step-by-step road directions between Montopolis and Seadrift.
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1
Start on 183 Toll South: Lockhart
67 m · 5 sec
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2
Merge slight left onto Bergstrom Expressway
1.3 km · 47 sec · Bergstrom Expressway
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3
Continue on Bastrop Highway
11.7 mi · 15 min · Bastrop Highway
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4
Take the ramp straight toward TX 130 Toll South: Lockhart, San Antonio
1565 ft · 38 sec
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5
Merge slight left onto Pickle Parkway
9.8 mi · 9 min · Pickle Parkway
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6
Take the exit slight right toward US 183 South: Lockhart
1219 ft · 30 sec
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7
Continue on United States Highway 183
2699 ft · 35 sec · United States Highway 183
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8
Continue on North Colorado Street
4.9 mi · 9 min · North Colorado Street
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9
Continue on US 183
10.1 mi · 12 min · US 183
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10
Continue on North Magnolia Avenue
1.2 mi · 2 min · North Magnolia Avenue
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11
Turn left onto East Pierce Street
5 mi · 7 min · East Pierce Street
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12
Continue on North United States Highway 183
43.5 mi · 47 min · North United States Highway 183
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13
Continue on North Esplanade Street
1.6 mi · 2 min · North Esplanade Street
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14
Turn left onto East Broadway Street
23.8 mi · 27 min · East Broadway Street
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15
Continue on North Main Street
3.9 mi · 6 min · North Main Street
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16
Turn left onto East Rio Grande Street
1331 ft · 26 sec · East Rio Grande Street
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17
Turn right onto North Navarro Street
2462 ft · 51 sec · North Navarro Street
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18
Turn left onto East Goodwin Avenue
1798 ft · 31 sec · East Goodwin Avenue
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19
Continue on Port Lavaca Drive
1042 ft · 21 sec · Port Lavaca Drive
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20
Turn right onto North Laurent Street
6.4 mi · 10 min · North Laurent Street
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21
Continue on Shepley Street
16 mi · 24 min · Shepley Street
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22
At the end of the road, turn right onto State Highway 35 South
120 m · 12 sec · State Highway 35 South
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23
Turn left onto State Highway 185 North
8.5 mi · 15 min · State Highway 185 North
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24
Continue on North 9th Street
1 km · 1 min · North 9th Street
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25
Turn right onto South 4th Street
22 m · 3 sec · South 4th Street
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26
Arrive at your destination
0 m · 1 sec · South 4th Street
Car Route Details
A richer read on the saved driving route between Montopolis and Seadrift.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
North United States Highway 183
Continue on North United States Highway 183
43.5 mi · 00h 47m
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 Montopolis and Chance Showers And Thunderstorms near Seadrift.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Montopolis to Seadrift?
The road trip is about 150.3 miles (241.9 km) and usually takes 03h 10m 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?
Yoakum is a useful midpoint, sitting about 75.3 miles from Montopolis and 75 miles from Seadrift.
How much longer is the road route than the straight-line distance?
The direct path is about 139.3 miles (224.2 km), while the road route adds roughly 11 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 10:40 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.03 one way or $40.06 round trip. Estimated CO2 is about 47.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Montopolis and Chance Showers And Thunderstorms near Seadrift.
Stop Ideas Near Yoakum
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 Yoakum.
San Marcos Station
Flight Path Map
This map shows the direct air route between Montopolis and Seadrift. Straight-line distance: 139.34 mi (224.24 km).
#1 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 |
#2 Seadrift
City in Calhoun County, Texas, United States
| Population | 1,500 |
| Coordinates | 28.4152800, -96.7135900 |
| Altitude | 3 |
| Country | United States |
End: Seadrift (-96.71359, 28.41528)
Estimated Travel Time
Distance: 242 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 00m |
| 40 mph (64.37 km/h) | 03h 45m |
| 50 mph (80.47 km/h) | 03h 00m |
| 60 mph (96.56 km/h) | 02h 30m |
| 70 mph (112.65 km/h) | 02h 08m |
| 80 mph (129 km/h) | 01h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $20.03 | $40.06 |
| Mid-grade | $4.25 | $22.54 | $45.07 |
| Premium | $4.59 | $24.33 | $48.66 |
| Diesel | $3.99 | $21.16 | $42.33 |
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.