How far is Decatur, TX from Montopolis, TX?
The driving distance from Decatur, TX to Montopolis, TX is about 234.7 miles (377.7 km), with a travel time of about 03h 37m by car.
- The straight-line flight distance is about 206.7 miles (332.7 km).
- For a round trip, plan for roughly 07h 15m 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 37m.
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.
City in McLennan 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 Decatur and Montopolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Montopolis.
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1
Start on North Market Street
21 m · 5 sec · North Market Street
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2
Turn right onto East Main Street
50 m · 15 sec · East Main Street
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3
Turn left onto South Trinity Street
2143 ft · 1 min · South Trinity Street
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4
Turn right onto West Hale Avenue
1929 ft · 43 sec · West Hale Avenue
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5
Continue on South FM 51
112 m · 10 sec · South FM 51
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6
Take the ramp left toward South Highway 287
755 ft · 21 sec · South Highway 287
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7
Merge slight left onto South US Highway 287
30.2 mi · 34 min · South US Highway 287
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8
Merge slight left onto North Freeway
4.5 mi · 5 min · North Freeway
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9
Take the exit slight left toward I 35W Express Toll South
2952 ft · 33 sec
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10
Merge slight left onto I 35W TEXpress
4 mi · 4 min · I 35W TEXpress
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11
Merge slight right onto North South Freeway
84.6 mi · 1 hr 28 min · North South Freeway
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12
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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13
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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14
Keep slight left
52.6 mi · 55 min
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15
Take the exit slight right toward US 183: Lockhart, Lampasas
1390 ft · 34 sec
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16
Keep slight left to continue on US 183 South: Lockhart
1.4 km · 2 min
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17
Merge slight left
2.2 mi · 3 min
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18
Continue on Bergstrom Expressway
4.8 mi · 5 min · Bergstrom Expressway
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19
Take the exit slight right toward Montopolis Drive, Patton Avenue
1442 ft · 35 sec
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20
Turn straight onto Ed Bluestein Boulevard
1951 ft · 30 sec · Ed Bluestein Boulevard
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21
Take the ramp straight toward 183 Toll South: Lockhart
148 m · 12 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Decatur and Montopolis.
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 South Freeway
Merge slight right onto North South Freeway
84.6 mi · 01h 28m
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.
Mostly Cloudy leaving Decatur 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 Decatur to Montopolis?
The road trip is about 234.7 miles (377.7 km) and usually takes 03h 37m 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?
Ross is a useful midpoint, sitting about 115.7 miles from Decatur and 119 miles from Montopolis.
How much longer is the road route than the straight-line distance?
The direct path is about 206.7 miles (332.7 km), while the road route adds roughly 28 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 9:44 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.29 one way or $62.58 round trip. Estimated CO2 is about 73.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Decatur and Mostly Cloudy near Montopolis.
Stop Ideas Near Ross
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 Ross.
Waco, TX
McGregor
Temple
Cleburne
Flight Path Map
This map shows the direct air route between Decatur and Montopolis. Straight-line distance: 206.75 mi (332.73 km).
#1 Decatur
City in Texas, USA
| Population | 7,572 |
| Coordinates | 33.2342800, -97.5861400 |
| Altitude | 336 |
| 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: 378 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 49m |
| 40 mph (64.37 km/h) | 05h 52m |
| 50 mph (80.47 km/h) | 04h 41m |
| 60 mph (96.56 km/h) | 03h 54m |
| 70 mph (112.65 km/h) | 03h 21m |
| 80 mph (129 km/h) | 02h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $31.29 | $62.58 |
| Mid-grade | $4.25 | $35.21 | $70.41 |
| Premium | $4.59 | $38.01 | $76.03 |
| Diesel | $3.99 | $33.06 | $66.12 |
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 · 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.