Origin
Montopolis, TX
Morning in Montopolis on Tuesday
Local time
7:03 AM
CDT
Current temp
89°F
Unavailable
Live forecast
Trip from Montopolis, TX to Port O'Connor, TX
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
3h 32m
Distance
167.9 mi
270 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$25
one way
EV Charging
Unknown
Best Time to Leave
4 AM
3h 20m
★
6 AM
3h 32m
8 AM
3h 57m
10 AM
3h 41m
12 PM
3h 38m
3 PM
3h 42m
5 PM
3h 55m
8 PM
3h 25m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Port O'Connor, TX
Nate Biddle
Trip Overview
Montopolis, TX to Port O'Connor, TX is 167.9 miles and takes about 3h 32m via North United States Highway 183, with a fuel budget near $25 and enough daylight to finish in a day. This one-day trip stays within the Great Plains region, transitioning from the Austin area toward the Texas coast. The route offers a mixed driving experience, balancing highway cruising with surface roads. It's a straightforward drive suitable for a quick escape or a practical transit day, with a manageable distance and duration.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
84 miles from Montopolis, TX
A natural place for your longest stop of the day , about 1h 38m into the drive .
Main Roads
| Road | Distance | Duration |
|---|---|---|
| North United States Highway 183 | 43.5 mi | 47m |
| East Broadway Street | 23.8 mi | 27m |
| Port Lavaca Drive | 21.3 mi | 25m |
| Bastrop Highway | 11.7 mi | 15m |
| FM 1289 | 11.2 mi | 19m |
| US 183 | 10.1 mi | 11m |
| Pickle Parkway | 9.8 mi | 8m |
| State Highway 185 East | 6.9 mi | 12m |
Longest stretch:
North United States Highway 183
— 43.5 mi, about 47m
Turn-by-Turn Driving Directions
Step-by-step road directions between Montopolis, TX and Port O'Connor, TX.
1
Start on this road
219 ft
·
5 sec
·
this road
Toward 183 Toll South: Lockhart
2
Merge onto 183 Toll
0.8 mi
·
47 sec
·
Bergstrom Expressway
3
Continue on US 183
12 mi
·
15 min
·
Bastrop Highway
Use the straight / slight left lanes.
4
Take the ramp
0.3 mi
·
38 sec
Toward TX 130 Toll South: Lockhart, San Antonio
5
Merge onto TX 130 Toll
9.8 mi
·
8 min
·
Pickle Parkway
Use the straight / slight right lanes.
6
Take the exit
0.2 mi
·
29 sec
Exit 470
Toward US 183 South: Lockhart
Use the straight / slight right lanes.
7
Continue on US 183
0.5 mi
·
35 sec
·
United States Highway 183
8
Continue on US 183
4.9 mi
·
8 min
·
North Colorado Street
9
Continue on US 183
10 mi
·
11 min
·
US 183
10
Continue on US 183
1.2 mi
·
2 min
·
North Magnolia Avenue
11
Turn left onto US 90; US 183
5.0 mi
·
6 min
·
East Pierce Street
12
Continue on US 183
43 mi
·
47 min
·
North United States Highway 183
13
Continue on US 77 Alt; US 183
1.6 mi
·
2 min
·
North Esplanade Street
14
Turn left onto US 87
24 mi
·
27 min
·
East Broadway Street
15
Continue on US 87
3.9 mi
·
6 min
·
North Main Street
16
Turn left onto US 87; US 59 Bus; US 77 Bus
0.3 mi
·
26 sec
·
East Rio Grande Street
17
Turn right onto US 87
0.5 mi
·
51 sec
·
North Navarro Street
18
Turn left onto US 87
0.3 mi
·
30 sec
·
East Goodwin Avenue
Use the left lane.
19
Continue on US 87
21 mi
·
25 min
·
Port Lavaca Drive
20
Keep slight left at fork onto US 87
4.1 mi
·
4 min
·
US 87
21
Turn right onto FM 1090
0.8 mi
·
1 min
·
Alcoa Drive
22
Turn right onto TX 238
3.1 mi
·
5 min
·
West Austin Street
23
Continue on TX 238
1.0 mi
·
1 min
·
TX 238
24
Turn left onto FM 1289
11 mi
·
19 min
·
FM 1289
25
At end of road, turn left onto TX 185
6.9 mi
·
12 min
·
State Highway 185 East
26
Continue on TX 185
1.0 mi
·
1 min
·
Adams Avenue
27
Turn right onto TX 185
91 ft
·
2 sec
·
2nd Street
28
Arrive at destination
TX 185
Trip Plan
Given the 3h 32m estimated drive time, leaving Montopolis in the morning will give you plenty of daylight to reach Port O'Connor. With only one recommended stop and a 167.9-mile total distance, this is easily a single-day trip. The longest stretch without a major road change is 43.5 miles on North United States Highway 183, so plan your fuel and rest breaks before you hit that segment if needed. Keep an eye on your fuel gauge, especially as you transition to surface roads, as gas station availability can vary. The estimated fuel cost is around $25, which can help with budgeting.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 84 miles from Montopolis, TX, or about 1h 38m into the drive.
The longest continuous stretch on this route runs about 43.5 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 37 miles or 45m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 84 miles or 1h 38m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 42m
Traffic, exits, and arrival timing usually matter more near Port O'Connor, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Montopolis, TX so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Montopolis, TX
This is one driving day of about 167.9 miles and 3h 32m.
Your first comfortable stop window is around 37 miles from Montopolis, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on North United States Highway 183 for about 43.5 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
84 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 37 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 84 miles from Montopolis, TX, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 165 decision points cluster between mile 12.6 and 118.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
12.6 mi into trip
|
~16m in
Take the ramp toward TX 130 Toll South: Lockhart, San Antonio
Multiple destination signs - pick the right one
Toward TX 130 Toll South: Lockhart, San Antonio
5
12.9 mi into trip
|
~16m in
|
TX 130 Toll / Pickle Parkway
Merge onto TX 130 Toll / Pickle Parkway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
7
22.7 mi into trip
|
~25m in
Take the exit toward US 183 South: Lockhart
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 470
Toward US 183 South: Lockhart
4
39.7 mi into trip
|
~48m in
|
US 90; US 183 / East Pierce Street
Turn left onto US 90; US 183 / East Pierce Street
Navigation decision point
6
118.2 mi into trip
|
~2h 19m in
|
US 87 / East Goodwin Avenue
Turn left onto US 87 / East Goodwin Avenue
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$25.37 one way
$50.74 round trip
$3.84/gal
25.4 MPG avg
59 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.20 | $27.77 | $55.54 |
| premium | $4.54 | $29.98 | $59.95 |
| diesel | $5.61 | $37.07 | $74.14 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$25
Meals
$25–$50
Total
$50–$75
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 58.7 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $18 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 50.4 | 0 | $17.63 | $8.06 |
| Efficient EV | 42 | 0 | $14.69 | $6.72 |
| EV Truck/SUV | 67.2 | 0 | $23.51 | $10.75 |
Gas CO2
59 kg
EV CO2
20 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Port O'Connor, TX
Morning in Port O'Connor on Tuesday
Local time
7:03 AM
CDT
Current temp
78°F
Unavailable
Live forecast
89°F
Gonzales, TX
84 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
11 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 32m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
This drive is about 52% highway, meaning you'll spend a good portion of your time on faster roads like North United States Highway 183. The longest continuous stretch on a highway is 43.5 miles on North United States Highway 183. Expect a shift from highway speeds to surface streets as you approach your destination, with East Broadway Street and Port Lavaca Drive marking the transition. You'll notice the change from more open highway to a more built-up environment with closer exits and intersections.
52% highway, the rest on surface roads — varied driving throughout.
28 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 43.5 mi on North United States Highway 183.
How Hard Is This Drive?
5/10
This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 16 points where you need to pay attention to lane position or signs. The trickiest moment comes around 12.6 miles in.
Driving Effort
5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 167.9 miles you will encounter 16 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 12.6 miles: Multiple destination signs - pick the right one; at 12.9 miles (TX 130 Toll / Pickle Parkway): Merge point - match speed before joining. Lane positioning matters here; at 22.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Montopolis, TX to Port O'Connor, TX, road signs begin pointing toward San Antonio along the way.
San Antonio
12.6 mi in
|
~16m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 32m. Total distance: 167.9 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 32m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (52%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 43.5 miles on North United States Highway 183. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
The main spots that need attention: at 12.6 miles: Multiple destination signs - pick the right one; at 12.9 miles (TX 130 Toll / Pickle Parkway): Merge point - match speed before joining. Lane positioning matters here; at 22.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Possible but tiring. At 3.5 hours each way, an in-and-out day trip would put you behind the wheel for 7.1 hours — manageable with a long break at Port O'Connor, TX, but most travelers stay overnight.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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