How far is Shamrock, TX from Montopolis, TX?
The driving distance from Shamrock, TX to Montopolis, TX is about 433.7 miles (698 km), with a travel time of about 07h 03m by car.
- The straight-line flight distance is about 374.3 miles (602.3 km).
- For a round trip, plan for roughly 14h 06m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 07h 03m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Shamrock and Montopolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Shamrock and Montopolis.
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1
Start on East Railroad Avenue
14 m · 8 sec · East Railroad Avenue
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2
Turn left onto South Main Street
55.1 mi · 1 hr 13 min · South Main Street
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3
Turn left onto Avenue F Northwest
2.2 mi · 3 min · Avenue F Northwest
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4
Continue on US Highway 287
54.4 mi · 59 min · US Highway 287
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5
Continue on Martin Luther King Jr Memorial Highway
4.1 mi · 4 min · Martin Luther King Jr Memorial Highway
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6
Continue on US Highway 287 East
40.5 mi · 43 min · US Highway 287 East
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7
Continue on Northwest Freeway
4.6 mi · 5 min · Northwest Freeway
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8
Keep slight right to continue on Northwest Freeway
2984 ft · 42 sec · Northwest Freeway
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9
Merge slight left onto Central Freeway
2.5 mi · 3 min · Central Freeway
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10
Continue on Lloyd Ruby Overpass
1.4 km · 1 min · Lloyd Ruby Overpass
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11
Continue on Central East Freeway
1.4 km · 1 min · Central East Freeway
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12
Keep slight right to continue on Central East Freeway
1.8 mi · 2 min · Central East Freeway
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13
Keep slight right to continue on Central East Freeway
96.6 mi · 1 hr 44 min · Central East Freeway
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14
Continue straight
4.6 mi · 5 min
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15
Merge slight left onto North Freeway
4.5 mi · 5 min · North Freeway
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16
Take the exit slight left toward I 35W Express Toll South
2952 ft · 33 sec
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17
Merge slight left onto I 35W TEXpress
4 mi · 4 min · I 35W TEXpress
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18
Merge slight right onto North South Freeway
84.6 mi · 1 hr 28 min · North South Freeway
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19
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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20
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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21
Keep slight left
52.6 mi · 55 min
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22
Take the exit slight right toward US 183: Lockhart, Lampasas
1390 ft · 34 sec
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23
Keep slight left to continue on US 183 South: Lockhart
1.4 km · 2 min
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24
Merge slight left
2.2 mi · 3 min
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25
Continue on Bergstrom Expressway
4.8 mi · 5 min · Bergstrom Expressway
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26
Take the exit slight right toward Montopolis Drive, Patton Avenue
1442 ft · 35 sec
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27
Turn straight onto Ed Bluestein Boulevard
1951 ft · 30 sec · Ed Bluestein Boulevard
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28
Take the ramp straight toward 183 Toll South: Lockhart
148 m · 12 sec
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29
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Shamrock and Montopolis.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Central East Freeway
Keep slight right to continue on Central East Freeway
96.6 mi · 01h 44m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Shamrock 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 Shamrock to Montopolis?
The road trip is about 433.7 miles (698 km) and usually takes 07h 03m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Decatur is a useful midpoint, sitting about 234.4 miles from Shamrock and 199.3 miles from Montopolis.
How much longer is the road route than the straight-line distance?
The direct path is about 374.3 miles (602.3 km), while the road route adds roughly 59.4 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $57.82 one way or $115.64 round trip. Estimated CO2 is about 136 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Shamrock and Chance Showers And Thunderstorms near Montopolis.
Stop Ideas Near Decatur
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bridgeport Utility Billing
Boyd City Hall
Paradise City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Decatur.
Fort Worth Central Station
Gainesville
Union Station
Dallas, TX
Flight Path Map
This map shows the direct air route between Shamrock and Montopolis. Straight-line distance: 374.23 mi (602.26 km).
#1 Shamrock
City in Texas
| Population | 1,989 |
| Coordinates | 35.2142200, -100.2490100 |
| Altitude | 714 |
| 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: 698 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 27m |
| 40 mph (64.37 km/h) | 10h 50m |
| 50 mph (80.47 km/h) | 08h 40m |
| 60 mph (96.56 km/h) | 07h 13m |
| 70 mph (112.65 km/h) | 06h 11m |
| 80 mph (129 km/h) | 05h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $57.82 | $115.64 |
| Mid-grade | $4.25 | $65.06 | $130.11 |
| Premium | $4.59 | $70.24 | $140.48 |
| Diesel | $3.99 | $61.09 | $122.19 |
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.