How far is Irving, TX from South Houston, TX?
The driving distance from Irving, TX to South Houston, TX is about 261.8 miles (421.4 km), with a travel time of about 04h 42m by car.
- The straight-line flight distance is about 240.1 miles (386.4 km).
- For a round trip, plan for roughly 09h 25m 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 42m.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Chance Rain Showers then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Irving and South Houston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Irving and South Houston.
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1
Start on North Ohio Street
133 m · 25 sec · North Ohio Street
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2
Turn left onto West 2nd Street
1.1 km · 1 min · West 2nd Street
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3
Turn straight onto East Irving Boulevard
1.5 km · 2 min · East Irving Boulevard
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4
Turn slight right
120 m · 17 sec
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5
Turn slight right onto South Loop 12
57 m · 4 sec · South Loop 12
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6
Take the ramp slight left toward Loop 12 South
125 m · 10 sec
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7
Merge slight left onto South Walton Walker Boulevard
2.8 mi · 3 min · South Walton Walker Boulevard
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8
Take the exit right toward I 30: Dallas, Fort Worth
2482 ft · 1 min
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9
Keep slight right to continue on I 30 East: Dallas
1813 ft · 44 sec
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10
Merge slight left onto Tom Landry Freeway
6.3 mi · 7 min · Tom Landry Freeway
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11
Continue on East R L Thornton Freeway
1.2 km · 1 min · East R L Thornton Freeway
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12
Take the exit slight right toward I 45, US 75: Houston, McKinney
2421 ft · 46 sec
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13
Keep slight right to continue on I 45 South: Houston
2006 ft · 55 sec
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14
Merge slight left onto Julius Schepps Freeway
1.6 mi · 2 min · Julius Schepps Freeway
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15
Keep slight left to continue on Julius Schepps Freeway
234.2 mi · 4 hr 6 min · Julius Schepps Freeway
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16
Continue on Gulf Freeway
10.3 mi · 12 min · Gulf Freeway
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17
Take the exit slight right toward TX 3: Monroe Road
737 ft · 18 sec
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18
Turn straight onto Gulf Freeway Frontage Road
1530 ft · 31 sec · Gulf Freeway Frontage Road
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19
Turn left onto Monroe Road
991 ft · 25 sec · Monroe Road
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20
Continue on Winkler Drive
1.1 mi · 2 min · Winkler Drive
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21
Turn right onto Galveston Road
1 km · 59 sec · Galveston Road
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22
Arrive at your destination
0 m · 1 sec · Galveston Road
Car Route Details
A richer read on the saved driving route between Irving and South 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.
Julius Schepps Freeway
Keep slight left to continue on Julius Schepps Freeway
234 mi · 04h 06m
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 Irving and Chance Rain Showers then Mostly Cloudy near South Houston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Irving to South Houston?
The road trip is about 261.8 miles (421.4 km) and usually takes 04h 42m 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?
Jewett is a useful midpoint, sitting about 131.2 miles from Irving and 130.7 miles from South Houston.
How much longer is the road route than the straight-line distance?
The direct path is about 240.1 miles (386.4 km), while the road route adds roughly 21.7 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 7:34 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.92 one way or $69.84 round trip. Estimated CO2 is about 82.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Irving and Chance Rain Showers then Mostly Cloudy near South Houston.
Stop Ideas Near Jewett
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 Jewett.
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Flight Path Map
This map shows the direct air route between Irving and South Houston. Straight-line distance: 240.08 mi (386.37 km).
#1 Irving
The third most populous city in Texas.
| Population | 240,916 |
| Coordinates | 32.8140200, -96.9488900 |
| Altitude | 147 |
| Country | United States |
#2 South Houston
City in Harris County, Texas, United States
| Population | 17,446 |
| Coordinates | 29.6630100, -95.2354900 |
| Altitude | 9 |
| Country | United States |
End: South Houston (-95.23549, 29.66301)
Estimated Travel Time
Distance: 421 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 43m |
| 40 mph (64.37 km/h) | 06h 32m |
| 50 mph (80.47 km/h) | 05h 14m |
| 60 mph (96.56 km/h) | 04h 21m |
| 70 mph (112.65 km/h) | 03h 44m |
| 80 mph (129 km/h) | 03h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $34.92 | $69.84 |
| Mid-grade | $4.25 | $39.29 | $78.58 |
| Premium | $4.59 | $42.42 | $84.84 |
| Diesel | $3.99 | $36.90 | $73.79 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.