How far is Seadrift, TX from Montopolis, TX?

The driving distance from Seadrift, TX to Montopolis, TX is about 156.7 miles (252.2 km), with a travel time of about 02h 45m by car.

  • The straight-line flight distance is about 139.3 miles (224.2 km).
  • For a round trip, plan for roughly 05h 30m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
156.73 mi
02h 45m
Flight
139.34 mi
224.24 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Seadrift.

Flight Distance

Direct air line
139.34 mi
Kilometers
224.24 km
Flight Time
00h 16m

Driving Distance

Road route
156.73 mi
Kilometers
252.24 km
Drive Time
02h 45m

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 45m.

Arrival Snapshot
Arrive in Montopolis
Wed, Apr 22, 11:08 PM CDT
Return by in Seadrift
Thu, Apr 23, 1:53 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Seadrift
2026-04-22T20:23
Arrive Montopolis
Wed, Apr 22, 11:08 PM CDT
Route Timing
02h 45m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:45 AM to 12:45 PM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:00 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Seadrift
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Yoakum
TX

City in Texas

From Seadrift
76 mi
01h 22m
To Montopolis
80.7 mi
01h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Wednesday

Chance Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM CDT
Wind
6 to 14 mph SSE
Destination
81°F
Wednesday

Chance Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM CDT
Wind
0 to 5 mph SE

Driving Route Map

The map below follows the saved road route between Seadrift and Montopolis.

Turn-by-Turn Driving Directions

Step-by-step road directions between Seadrift and Montopolis.

  1. 1

    Start on South 4th Street

    22 m · 8 sec · South 4th Street

  2. 2

    Turn left onto West Broadway Avenue

    1 km · 1 min · West Broadway Avenue

  3. 3

    Continue on State Highway 185 North

    8.5 mi · 15 min · State Highway 185 North

  4. 4

    At the end of the road, turn right onto State Highway 35 South

    93 m · 10 sec · State Highway 35 South

  5. 5

    Turn left onto State Highway 185 North

    22.4 mi · 34 min · State Highway 185 North

  6. 6

    Turn left onto Port Lavaca Drive

    1042 ft · 18 sec · Port Lavaca Drive

  7. 7

    Continue on East Goodwin Avenue

    1798 ft · 35 sec · East Goodwin Avenue

  8. 8

    Turn right onto North Navarro Street

    2462 ft · 51 sec · North Navarro Street

  9. 9

    Turn left onto East Rio Grande Street

    1163 ft · 20 sec · East Rio Grande Street

  10. 10

    Turn right onto North Main Street

    3.9 mi · 6 min · North Main Street

  11. 11

    Continue on US Highway 87 North

    22.1 mi · 25 min · US Highway 87 North

  12. 12

    Continue on East Broadway Street

    1.7 mi · 2 min · East Broadway Street

  13. 13

    Turn right onto North Esplanade Street

    1.6 mi · 2 min · North Esplanade Street

  14. 14

    Continue on North US Highway 183

    22.7 mi · 25 min · North US Highway 183

  15. 15

    Continue straight

    6 mi · 6 min

  16. 16

    Continue straight

    19.8 mi · 23 min

  17. 17

    Turn right onto South Magnolia Avenue

    1.2 mi · 2 min · South Magnolia Avenue

  18. 18

    Continue on US 183

    10.1 mi · 12 min · US 183

  19. 19

    Continue on South Colorado Street

    4.9 mi · 9 min · South Colorado Street

  20. 20

    Continue on United States Highway 183

    1282 ft · 17 sec · United States Highway 183

  21. 21

    Keep slight left to continue on TX 130 Toll North: Austin, Waco

    2447 ft · 35 sec

  22. 22

    Merge slight left onto Pickle Parkway

    9.8 mi · 9 min · Pickle Parkway

  23. 23

    Take the exit slight right toward US 183 North: Austin

    1920 ft · 47 sec

  24. 24

    Continue on US Highway 183 South

    11.8 mi · 15 min · US Highway 183 South

  25. 25

    Continue on Bergstrom Expressway

    1.1 km · 41 sec · Bergstrom Expressway

  26. 26

    Take the exit slight right toward Loop 111: Cesar Chavez Street, 5th Street, 6th Street, 7th Street, Airport Boulevard

    2724 ft · 54 sec

  27. 27

    Keep slight right to continue on Airport Boulevard

    1278 ft · 34 sec · Airport Boulevard

  28. 28

    Continue on Airport Boulevard

    2658 ft · 43 sec · Airport Boulevard

  29. 29

    Continue on Ed Bluestein Boulevard

    552 ft · 9 sec · Ed Bluestein Boulevard

  30. 30

    Take the ramp straight toward 183 Toll South: Lockhart

    148 m · 12 sec

  31. 31

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Seadrift and Montopolis.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
31 steps
9 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
19.8 / 100 mi
Decision points by distance
Main Roads
North US Highway 183
48.5 mi · 31%
State Highway 185 North
30.9 mi · 20%
US Highway 87 North
22.1 mi · 14%
US Highway 183 South
11.8 mi · 8%
US 183
10.1 mi · 6%
Pickle Parkway
9.81 mi · 6%
Longest Stretch

North US Highway 183

Continue on North US Highway 183

22.7 mi · 00h 25m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 45m
Day trip friendly
Same-Day Return
05h 30m
Round-trip wheel time
Road vs Air
+17.4 mi
139.3 mi direct line
Halfway Stop
Yoakum
01h 22m from Seadrift
Leave By
1:00 PM CDT
Morning start is best
Weather Watch

Chance Showers And Thunderstorms leaving Seadrift and Chance Showers And Thunderstorms near Montopolis.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Seadrift to Montopolis?

The road trip is about 156.7 miles (252.2 km) and usually takes 02h 45m 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?

Yoakum is a useful midpoint, sitting about 76 miles from Seadrift and 80.7 miles from Montopolis.

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 17.4 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 1:00 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.90 one way or $41.80 round trip. Estimated CO2 is about 49.1 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms around Seadrift and Chance Showers And Thunderstorms near Montopolis.

Stop Ideas Near Yoakum

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Yoakum, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Yoakum.

RAIL

San Marcos Station

100 mi away
338 South Guadalupe St.

Flight Path Map

This map shows the direct air route between Seadrift and Montopolis. Straight-line distance: 139.34 mi (224.24 km).

Seadrift

#1 Seadrift

City in Calhoun County, Texas, United States

Population1,500
Coordinates28.4152800, -96.7135900
Altitude3
CountryUnited States
Photo coming soon

#2 Montopolis

This Travis County community, situated at an elevation of 469 feet, is known for its Colorado River industrial areas.

Population912,791
Coordinates30.2432700, -97.6905600
Altitude143
CountryUnited States
Start: 4th Street (-96.71364, 28.415285)
End: 183 Toll (-97.690637, 30.243248)

Estimated Travel Time

Distance: 252 km by road

SpeedTime
30 mph (48.3 km/h)05h 13m
40 mph (64.37 km/h)03h 55m
50 mph (80.47 km/h)03h 08m
60 mph (96.56 km/h)02h 36m
70 mph (112.65 km/h)02h 14m
80 mph (129 km/h)01h 57m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.53 gal
20.94 L · about $20.90
Round trip
$41.80
11.06 gal · 41.88 L
Estimated CO2
49.1 kg one way
Round trip: 98.3 kg / 217 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $20.90 $41.80
Mid-grade $4.25 $23.51 $47.03
Premium $4.59 $25.39 $50.78
Diesel $3.99 $22.08 $44.16

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

There is no time difference between Seadrift and Montopolis. The current time is 20:23:07.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.