How far is Sam Rayburn, TX from Montopolis, TX?

The driving distance from Sam Rayburn, TX to Montopolis, TX is about 281.5 miles (453 km), with a travel time of about 04h 45m by car.

  • The straight-line flight distance is about 224.5 miles (361.3 km).
  • For a round trip, plan for roughly 09h 30m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
281.46 mi
04h 45m
Flight
224.5 mi
361.3 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Sam Rayburn.

Flight Distance

Direct air line
224.5 mi
Kilometers
361.3 km
Flight Time
00h 27m

Driving Distance

Road route
281.46 mi
Kilometers
452.96 km
Drive Time
04h 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 04h 45m.

Arrival Snapshot
Arrive in Montopolis
Fri, Nov 6, 6:44 PM CST
Return by in Sam Rayburn
Fri, Nov 6, 11:29 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sam Rayburn
2026-11-06T13:59
Arrive Montopolis
Fri, Nov 6, 6:44 PM CST
Route Timing
04h 45m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CST
Leave early for more breathing room
Arrive between
10:45 AM to 12:45 PM CST

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:30 AM CST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Sam Rayburn
9:00 PM CST
Early departure recommended

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
Bedias
TX

City in Grimes County, Texas, United States

From Sam Rayburn
135.1 mi
02h 22m
To Montopolis
146.3 mi
02h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Today

Mostly Sunny

Starts
Fri, Nov 6 8:00 AM CST
Wind
0 to 5 mph NE
Destination
57°F
Overnight

Mostly Cloudy

Starts
Fri, Nov 6 12:00 AM CST
Wind
5 to 10 mph NNW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Sam Rayburn and Montopolis.

  1. 1

    Start on the route

    65 m · 10 sec

  2. 2

    Turn left onto Sam Rayburn Parkway

    3.2 mi · 4 min · Sam Rayburn Parkway

  3. 3

    Turn right

    8.1 mi · 8 min

  4. 4

    Turn slight right onto North Main Street

    2.3 mi · 5 min · North Main Street

  5. 5

    Turn right onto West Gibson Street

    102 mi · 1 hr 56 min · West Gibson Street

  6. 6

    Continue on 11th Street

    1.7 mi · 3 min · 11th Street

  7. 7

    Continue on State Highway 30 West

    46.6 mi · 54 min · State Highway 30 West

  8. 8

    Continue on Farm-to-Market Road 158

    1.1 km · 1 min · Farm-to-Market Road 158

  9. 9

    Continue on Boonville Road

    3.3 mi · 5 min · Boonville Road

  10. 10

    Continue on East William J Bryan Parkway

    2.2 mi · 4 min · East William J Bryan Parkway

  11. 11

    Continue on West William J Bryan Parkway

    1.6 km · 2 min · West William J Bryan Parkway

  12. 12

    Turn left onto West State Highway 21

    71.4 mi · 1 hr 20 min · West State Highway 21

  13. 13

    Turn left onto State Highway 95

    1748 ft · 30 sec · State Highway 95

  14. 14

    Turn right onto State Highway 71 East

    125 m · 11 sec · State Highway 71 East

  15. 15

    Take the ramp slight left toward TX 21 West, TX 71 West

    2021 ft · 49 sec

  16. 16

    Merge slight left onto State Highway 71 East

    2.2 mi · 3 min · State Highway 71 East

  17. 17

    Continue straight

    1.2 km · 50 sec

  18. 18

    Continue straight

    17.1 mi · 19 min

  19. 19

    Continue on Bastrop Freeway

    1.9 mi · 2 min · Bastrop Freeway

  20. 20

    Continue on East State Highway 71

    2.2 mi · 3 min · East State Highway 71

  21. 21

    Take the exit slight right toward US 183 North, 183 Toll North: Lampasas

    2773 ft · 1 min

  22. 22

    Merge slight left onto Bastrop Highway

    2088 ft · 27 sec · Bastrop Highway

  23. 23

    Continue on Bergstrom Expressway

    1.1 km · 41 sec · Bergstrom Expressway

  24. 24

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

    2724 ft · 54 sec

  25. 25

    Keep slight right to continue on Airport Boulevard

    1278 ft · 34 sec · Airport Boulevard

  26. 26

    Continue on Airport Boulevard

    2658 ft · 43 sec · Airport Boulevard

  27. 27

    Continue on Ed Bluestein Boulevard

    552 ft · 9 sec · Ed Bluestein Boulevard

  28. 28

    Take the ramp straight toward 183 Toll South: Lockhart

    148 m · 12 sec

  29. 29

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
29 steps
7 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
10.3 / 100 mi
Decision points by distance
Main Roads
West Gibson Street
102 mi · 36%
West State Highway 21
71.4 mi · 25%
State Highway 30 West
46.6 mi · 17%
State Highway 71 East
20.1 mi · 7%
Boonville Road
3.26 mi · 1%
Sam Rayburn Parkway
3.25 mi · 1%
Longest Stretch

West Gibson Street

Turn right onto West Gibson Street

102 mi · 01h 56m

Route Summary

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

Trip Read

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.

Drive Time
04h 45m
Long day trip
Same-Day Return
09h 30m
Round-trip wheel time
Road vs Air
+57 mi
224.5 mi direct line
Halfway Stop
Bedias
02h 22m from Sam Rayburn
Leave By
7:30 AM CST
Early departure recommended
Weather Watch

Mostly Sunny leaving Sam Rayburn 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 Sam Rayburn to Montopolis?

The road trip is about 281.5 miles (453 km) and usually takes 04h 45m 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?

Bedias is a useful midpoint, sitting about 135.1 miles from Sam Rayburn and 146.3 miles from Montopolis.

How much longer is the road route than the straight-line distance?

The direct path is about 224.5 miles (361.3 km), while the road route adds roughly 57 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 CST. If you want a more comfortable same-day return, try to leave by 7:30 AM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $35.56 one way or $71.12 round trip. Estimated CO2 is about 88.2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Sam Rayburn and Mostly Cloudy near Montopolis.

Stop Ideas Near Bedias

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

Mid-route Guidance
Local place coverage is thin around Bedias, 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 Bedias.

BUS

Bryan, TX

42 mi away
301 East 26th Street
BUS

Prairie View, TX

78 mi away
44814 US Highway 290 Business \r\n

Flight Path Map

This map shows the direct air route between Sam Rayburn and Montopolis. Straight-line distance: 224.5 mi (361.3 km).

Photo coming soon

#1 Sam Rayburn

Sam Rayburn is a place in Texas, United States.

Population0
Coordinates31.0640800, -94.0357500
Altitude61
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: FM 1007 (-94.035261, 31.06416)
End: 183 Toll (-97.690637, 30.243248)

Estimated Travel Time

Distance: 453 km by road

SpeedTime
30 mph (48.3 km/h)09h 22m
40 mph (64.37 km/h)07h 02m
50 mph (80.47 km/h)05h 37m
60 mph (96.56 km/h)04h 41m
70 mph (112.65 km/h)04h 01m
80 mph (129 km/h)03h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.93 gal
37.6 L · about $35.56
Round trip
$71.12
19.86 gal · 75.2 L
Estimated CO2
88.2 kg one way
Round trip: 176.5 kg / 389 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.58 $35.56 $71.12
Mid-grade $4.09 $40.65 $81.31
Premium $4.47 $44.41 $88.81
Diesel $5.68 $56.42 $112.84

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 · Nov 06, 2026

There is no time difference between Sam Rayburn and Montopolis. The current time is 13:59:09.

Distance to Other Cities

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