How far is Sweeny, TX from Plano, TX?
The driving distance from Sweeny, TX to Plano, TX is about 322.2 miles (518.6 km), with a travel time of about 05h 08m by car.
- The straight-line flight distance is about 281.4 miles (452.8 km).
- For a round trip, plan for roughly 10h 16m 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 05h 08m.
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 Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Sweeny and Plano.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sweeny and Plano.
-
1
Start on North Main Street
24 m · 4 sec · North Main Street
-
2
Turn right onto East 2nd Street
1.3 km · 1 min · East 2nd Street
-
3
Continue on North McKinney Street
1588 ft · 32 sec · North McKinney Street
-
4
Continue on East 7th Street
3.4 mi · 6 min · East 7th Street
-
5
Turn right
2.2 mi · 3 min
-
6
Turn right
2 mi · 4 min
-
7
Turn right onto East Brazos Avenue
1.5 km · 1 min · East Brazos Avenue
-
8
Continue on Jimmy Phillips Boulevard
11.3 mi · 17 min · Jimmy Phillips Boulevard
-
9
Take the ramp left
2971 ft · 1 min
-
10
Merge slight left onto Nolan Ryan Expressway
24.5 mi · 28 min · Nolan Ryan Expressway
-
11
Continue on South Freeway
586 ft · 8 sec · South Freeway
-
12
Keep slight left to continue on Brazoria County Expressway
16.1 mi · 19 min · Brazoria County Expressway
-
13
Keep slight left to continue on I 45 North: Dallas
2423 ft · 59 sec
-
14
Merge slight right onto Gulf Freeway
2.4 mi · 3 min · Gulf Freeway
-
15
Continue on North Freeway
237.4 mi · 4 hr 9 min · North Freeway
-
16
Continue on North Central Expressway
15.2 mi · 16 min · North Central Expressway
-
17
Take the exit slight right toward Plano Parkway, 15th Street
2162 ft · 53 sec
-
18
Turn straight onto North Central Expressway
1.4 mi · 2 min · North Central Expressway
-
19
Turn right onto East 15th Street
3101 ft · 1 min · East 15th Street
-
20
Arrive at your destination
0 m · 1 sec · East 15th Street
Car Route Details
A richer read on the saved driving route between Sweeny and Plano.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
North Freeway
Continue on North Freeway
237 mi · 04h 09m
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.
Showers And Thunderstorms Likely leaving Sweeny and Slight Chance Showers And Thunderstorms near Plano.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sweeny to Plano?
The road trip is about 322.2 miles (518.6 km) and usually takes 05h 08m 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?
Madisonville is a useful midpoint, sitting about 160.4 miles from Sweeny and 161.9 miles from Plano.
How much longer is the road route than the straight-line distance?
The direct path is about 281.4 miles (452.8 km), while the road route adds roughly 40.8 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 6:44 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.97 one way or $85.93 round trip. Estimated CO2 is about 101 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Sweeny and Slight Chance Showers And Thunderstorms near Plano.
Stop Ideas Near Madisonville
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 Madisonville.
Bryan, TX
Prairie View, TX
Flight Path Map
This map shows the direct air route between Sweeny and Plano. Straight-line distance: 281.36 mi (452.8 km).
#1 Sweeny
City in Brazoria County, Texas, United States
| Population | 3,618 |
| Coordinates | 29.0388600, -95.6985600 |
| Altitude | 9 |
| Country | United States |
#2 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 |
End: East 15th Street (-96.698873, 33.019694)
Estimated Travel Time
Distance: 519 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 44m |
| 40 mph (64.37 km/h) | 08h 03m |
| 50 mph (80.47 km/h) | 06h 26m |
| 60 mph (96.56 km/h) | 05h 22m |
| 70 mph (112.65 km/h) | 04h 36m |
| 80 mph (129 km/h) | 04h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $42.97 | $85.93 |
| Mid-grade | $4.25 | $48.35 | $96.69 |
| Premium | $4.59 | $52.20 | $104.40 |
| Diesel | $3.99 | $45.40 | $90.80 |
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.