How far is Plano, TX from Port O'Connor, TX?
The driving distance from Plano, TX to Port O'Connor, TX is about 362.7 miles (583.7 km), with a travel time of about 07h 08m by car.
- The straight-line flight distance is about 316.3 miles (509.1 km).
- For a round trip, plan for roughly 14h 16m 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 08m.
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 Milam County, Texas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms
Haze then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Plano and Port O'Connor.
Turn-by-Turn Driving Directions
Step-by-step road directions between Plano and Port O'Connor.
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1
Start on East 15th Street
1 km · 1 min · East 15th Street
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2
Turn left onto Central Expressway
919 ft · 18 sec · Central Expressway
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3
Take the ramp slight left toward US 75 South
798 ft · 19 sec
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4
Merge slight left onto Central Expressway
16.6 mi · 18 min · Central Expressway
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5
Take the exit slight left toward Downtown, Good-Latimer Expressway
153 m · 12 sec
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6
Continue on North Central Expressway
1.2 km · 1 min · North Central Expressway
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7
Turn right onto Elm Street
93 m · 11 sec · Elm Street
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8
Turn left onto North Pearl Expressway
1086 ft · 29 sec · North Pearl Expressway
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9
Turn right onto Young Street
572 ft · 20 sec · Young Street
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10
Turn left onto South Harwood Street
96 m · 8 sec · South Harwood Street
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11
Turn right onto Canton Street
2105 ft · 48 sec · Canton Street
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12
Take the ramp slight left toward I 30 West
1773 ft · 38 sec
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13
Keep slight left to continue on I 35E South, I 35E North: Waco, Denton
607 ft · 15 sec
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14
Keep slight left to continue on I 35E North, I 35E South: Denton, Waco
67 m · 5 sec
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15
Keep slight left to continue on I 35E South: Waco
1915 ft · 30 sec
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16
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
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17
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
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18
Continue on North Jack Kultgen Expressway
4.3 mi · 5 min · North Jack Kultgen Expressway
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19
Take the exit slight right toward Loop 396
1239 ft · 30 sec
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20
Turn straight onto South Jack Kultgen Expressway
707 ft · 25 sec · South Jack Kultgen Expressway
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21
Turn left onto South Valley Mills Drive
760 ft · 20 sec · South Valley Mills Drive
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22
Enter the roundabout and take exit 2 toward The Circle
38 m · 6 sec · Robinson Drive
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23
Exit the rotary onto Robinson Drive
29.5 mi · 34 min · Robinson Drive
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24
Continue straight
19.1 mi · 22 min
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25
Turn left onto East 4th Street
1340 ft · 19 sec · East 4th Street
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26
Continue on Kemp Street
1272 ft · 16 sec · Kemp Street
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27
Continue on East 1st Street
2.9 mi · 3 min · East 1st Street
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28
Take the exit slight right
101.1 mi · 1 hr 58 min
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29
Turn right onto West 4th Street
1409 ft · 20 sec · West 4th Street
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30
Continue on Fairwinds Street
2010 ft · 29 sec · Fairwinds Street
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31
Turn left onto United States Highway 77
44.5 mi · 53 min · United States Highway 77
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32
Turn left onto East Goodwin Avenue
1798 ft · 31 sec · East Goodwin Avenue
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33
Continue on Port Lavaca Drive
21.3 mi · 25 min · Port Lavaca Drive
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34
Keep slight left
4.1 mi · 5 min
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35
Turn right onto Alcoa Drive
1.3 km · 2 min · Alcoa Drive
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36
Turn right onto West Austin Street
3.1 mi · 5 min · West Austin Street
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37
Continue straight
1.5 km · 2 min
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38
Turn left
11.2 mi · 20 min
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39
At the end of the road, turn left onto State Highway 185 East
6.9 mi · 12 min · State Highway 185 East
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40
Continue on Adams Avenue
1.5 km · 2 min · Adams Avenue
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41
Turn right onto 2nd Street
28 m · 3 sec · 2nd Street
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42
Arrive at your destination
0 m · 1 sec · 2nd Street
Car Route Details
A richer read on the saved driving route between Plano and Port O'Connor.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
East 1st Street
Take the exit slight right
101 mi · 01h 58m
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.
Slight Chance Showers And Thunderstorms leaving Plano and Haze then Mostly Sunny near Port O'Connor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Plano to Port O'Connor?
The road trip is about 362.7 miles (583.7 km) and usually takes 07h 08m 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?
Rockdale is a useful midpoint, sitting about 181.7 miles from Plano and 181 miles from Port O'Connor.
How much longer is the road route than the straight-line distance?
The direct path is about 316.3 miles (509.1 km), while the road route adds roughly 46.4 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 $48.37 one way or $96.74 round trip. Estimated CO2 is about 113.8 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Plano and Haze then Mostly Sunny near Port O'Connor.
Stop Ideas Near Rockdale
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 Rockdale.
Taylor
Temple
Bryan, TX
Austin
Flight Path Map
This map shows the direct air route between Plano and Port O'Connor. Straight-line distance: 316.34 mi (509.1 km).
#1 Plano
The second most populous city in Texas and the center of the Dallas-Fort Worth metropolitan area.
| Population | 291,296 |
| Coordinates | 33.0198400, -96.6988900 |
| Altitude | 203 |
| Country | United States |
#2 Port O'Connor
Port O'Connor is a place in Texas, United States.
| Population | 0 |
| Coordinates | 28.4483400, -96.4058100 |
| Altitude | 1 |
| Country | United States |
End: Port O'Connor (-96.40581, 28.44834)
Estimated Travel Time
Distance: 584 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 05m |
| 40 mph (64.37 km/h) | 09h 04m |
| 50 mph (80.47 km/h) | 07h 15m |
| 60 mph (96.56 km/h) | 06h 02m |
| 70 mph (112.65 km/h) | 05h 10m |
| 80 mph (129 km/h) | 04h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $48.37 | $96.74 |
| Mid-grade | $4.25 | $54.43 | $108.85 |
| Premium | $4.59 | $58.76 | $117.53 |
| Diesel | $3.99 | $51.11 | $102.22 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.