How far is Portland, TX from Houston, TX?
The driving distance from Portland, TX to Houston, TX is about 200.5 miles (322.7 km), with a travel time of about 03h 09m by car.
- The straight-line flight distance is about 176.3 miles (283.7 km).
- For a round trip, plan for roughly 06h 18m 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 09m.
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 Jackson County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Portland and Houston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portland and Houston.
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1
Start on Wildcat Drive
680 ft · 17 sec
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2
Turn straight onto US Highway 181
1 mi · 2 min · US Highway 181
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3
Take the ramp slight left
1715 ft · 42 sec
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4
Merge slight left
1.2 mi · 1 min
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5
Keep slight left
1.5 mi · 2 min
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6
Take the exit slight right
1737 ft · 42 sec
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7
Turn straight onto State Highway 35
2925 ft · 1 min · State Highway 35
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8
Turn left onto Farm to Market Road 136
17.8 mi · 23 min · Farm to Market Road 136
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9
Continue straight
9.6 mi · 10 min
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10
At the end of the road, turn left
1.5 mi · 2 min
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11
Turn right onto South Alamo Street
1.9 mi · 3 min · South Alamo Street
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12
Turn slight right onto United States Highway 77
33 mi · 37 min · United States Highway 77
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13
Keep slight left to continue on Spur 91
1.5 mi · 2 min · Spur 91
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14
Merge slight left onto US Highway 59 South
88.6 mi · 1 hr 38 min · US Highway 59 South
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15
Take the exit slight right
1551 ft · 38 sec
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16
Continue on 59 Northbound Frontage Road
1.6 mi · 2 min · 59 Northbound Frontage Road
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17
Continue straight
2146 ft · 59 sec
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18
Continue on US 59 Northbound Frontage Road
2 mi · 5 min · US 59 Northbound Frontage Road
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19
Continue on Southwest Freeway Frontage Road
1.3 mi · 3 min · Southwest Freeway Frontage Road
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20
Take the ramp slight left toward I 69 North, US 59 North
1304 ft · 32 sec
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21
Merge slight left onto Southwest Freeway
32.6 mi · 38 min · Southwest Freeway
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22
Keep slight left to continue on Richmond Avenue, Downtown via Louisiana Street
1.4 km · 1 min
-
23
Take the exit slight right toward Downtown, Louisiana Street
47 m · 4 sec
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24
Continue on Louisiana Street
1.9 mi · 5 min · Louisiana Street
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25
Arrive at your destination
0 m · 1 sec · Louisiana Street
Car Route Details
A richer read on the saved driving route between Portland and Houston.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US Highway 59 South
Merge slight left onto US Highway 59 South
88.6 mi · 01h 38m
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.
Chance Showers And Thunderstorms leaving Portland and Chance Showers And Thunderstorms then Showers And Thunderstorms near Houston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portland to Houston?
The road trip is about 200.5 miles (322.7 km) and usually takes 03h 09m 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?
Edna is a useful midpoint, sitting about 100.2 miles from Portland and 100.4 miles from Houston.
How much longer is the road route than the straight-line distance?
The direct path is about 176.3 miles (283.7 km), while the road route adds roughly 24.2 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 10:42 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.72 one way or $53.44 round trip. Estimated CO2 is about 62.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Portland and Chance Showers And Thunderstorms then Showers And Thunderstorms near Houston.
Flight Path Map
This map shows the direct air route between Portland and Houston. Straight-line distance: 176.25 mi (283.65 km).
#1 Portland
City in Texas, United States
| Population | 17,768 |
| Coordinates | 27.8772500, -97.3238800 |
| Altitude | 13 |
| Country | United States |
#2 Houston
The fourth most populous city in the United States and the center of the Houston metropolitan area.
| Population | 2,316,120 |
| Coordinates | 29.7632800, -95.3632700 |
| Altitude | 12 |
| Country | United States |
End: Louisiana Street (-95.363596, 29.76347)
Estimated Travel Time
Distance: 323 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 40m |
| 40 mph (64.37 km/h) | 05h 00m |
| 50 mph (80.47 km/h) | 04h 00m |
| 60 mph (96.56 km/h) | 03h 20m |
| 70 mph (112.65 km/h) | 02h 51m |
| 80 mph (129 km/h) | 02h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $26.72 | $53.44 |
| Mid-grade | $4.25 | $30.06 | $60.12 |
| Premium | $4.59 | $32.46 | $64.92 |
| Diesel | $3.99 | $28.23 | $56.46 |
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.