How far is Port Neches, TX from Montopolis, TX?
The driving distance from Port Neches, TX to Montopolis, TX is about 252.8 miles (406.8 km), with a travel time of about 04h 02m by car.
- The straight-line flight distance is about 223.7 miles (360 km).
- For a round trip, plan for roughly 08h 05m 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 04h 02m.
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 Waller County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Port Neches and Montopolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Neches and Montopolis.
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1
Start on Nall Street
2.2 mi · 4 min · Nall Street
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2
Continue on FM 365
5 mi · 8 min · FM 365
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3
Turn left onto Jade Avenue
1.8 mi · 4 min · Jade Avenue
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4
Turn right onto H O Mills Highway
19.8 mi · 20 min · H O Mills Highway
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5
Turn straight
3.3 mi · 4 min
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6
Merge slight left
133.2 mi · 2 hr 31 min
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7
Take the exit slight right toward TX 71 West: La Grange, Austin
2832 ft · 33 sec
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8
Keep slight left
77.2 mi · 1 hr 22 min
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9
Continue on Bastrop Freeway
1.9 mi · 2 min · Bastrop Freeway
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10
Continue on East State Highway 71
2.2 mi · 3 min · East State Highway 71
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11
Take the exit slight right toward US 183 North, 183 Toll North: Lampasas
2773 ft · 1 min
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12
Merge slight left onto Bastrop Highway
2088 ft · 27 sec · Bastrop Highway
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13
Continue on Bergstrom Expressway
1.1 km · 41 sec · Bergstrom Expressway
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14
Take the exit slight right toward Loop 111: Cesar Chavez Street, 5th Street, 6th Street, 7th Street, Airport Boulevard
2724 ft · 54 sec
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15
Keep slight right to continue on Airport Boulevard
1278 ft · 34 sec · Airport Boulevard
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16
Continue on Airport Boulevard
2658 ft · 43 sec · Airport Boulevard
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17
Continue on Ed Bluestein Boulevard
552 ft · 9 sec · Ed Bluestein Boulevard
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18
Take the ramp straight toward 183 Toll South: Lockhart
148 m · 12 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Port Neches 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.
H O Mills Highway
Merge slight left
133 mi · 02h 31m
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 Sunny leaving Port Neches and Mostly Sunny near Montopolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Neches to Montopolis?
The road trip is about 252.8 miles (406.8 km) and usually takes 04h 02m 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?
Brookshire is a useful midpoint, sitting about 124.9 miles from Port Neches and 127.9 miles from Montopolis.
How much longer is the road route than the straight-line distance?
The direct path is about 223.7 miles (360 km), while the road route adds roughly 29.1 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 8:54 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.71 one way or $67.42 round trip. Estimated CO2 is about 79.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Port Neches and Mostly Sunny near Montopolis.
Stop Ideas Near Brookshire
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Katy Visitors Center
Sealy City Hall
Orchard Community Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Brookshire.
Prairie View, TX
Houston
Houston, TX
Bryan, TX
Flight Path Map
This map shows the direct air route between Port Neches and Montopolis. Straight-line distance: 223.72 mi (360.04 km).
#1 Port Neches
City in Jefferson County, Texas, United States
| Population | 12,596 |
| Coordinates | 29.9913200, -93.9585100 |
| Altitude | 5 |
| 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: 407 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 25m |
| 40 mph (64.37 km/h) | 06h 19m |
| 50 mph (80.47 km/h) | 05h 03m |
| 60 mph (96.56 km/h) | 04h 12m |
| 70 mph (112.65 km/h) | 03h 36m |
| 80 mph (129 km/h) | 03h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $33.71 | $67.42 |
| Mid-grade | $4.25 | $37.93 | $75.86 |
| Premium | $4.59 | $40.95 | $81.90 |
| Diesel | $3.99 | $35.62 | $71.24 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.