How far is Houston, TX from Iraan, TX?
The driving distance from Houston, TX to Iraan, TX is about 450.5 miles (725 km), with a travel time of about 07h 44m by car.
- The straight-line flight distance is about 397.6 miles (639.9 km).
- For a round trip, plan for roughly 15h 28m 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 44m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Houston and Iraan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Iraan.
-
1
Start on Louisiana Street
761 ft · 25 sec · Louisiana Street
-
2
Take the ramp straight toward I 10 West: San Antonio
2149 ft · 52 sec
-
3
Merge slight right onto Katy Freeway
174.9 mi · 3 hr 2 min · Katy Freeway
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4
Keep slight left
1.9 mi · 2 min
-
5
Take the exit slight right toward TX 1518: Schertz
599 ft · 15 sec
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6
Turn straight onto Interstate 10 East
629 ft · 21 sec · Interstate 10 East
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7
Turn right onto Farm-to-Market Road 1518
5.4 mi · 10 min · Farm-to-Market Road 1518
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8
At the end of the road, turn left onto Gordon A Blake Highway
2 mi · 3 min · Gordon A Blake Highway
-
9
Turn left
1087 ft · 22 sec
-
10
Take the ramp slight right toward Loop 1604 North
81 m · 7 sec
-
11
Merge slight left onto Anderson Loop
20.4 mi · 22 min · Anderson Loop
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12
Take the exit slight right toward Frontage Road
841 ft · 21 sec
-
13
Turn straight onto North Loop 1604 West
1183 ft · 26 sec · North Loop 1604 West
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14
Turn right onto Interstate 10 West
1450 ft · 25 sec · Interstate 10 West
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15
Take the ramp slight left toward I 10 West, US 87 North
811 ft · 20 sec
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16
Merge slight left
1.1 mi · 1 min
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17
Keep slight right
229.4 mi · 3 hr 40 min
-
18
Take the exit slight right toward SH 290, SH 349: Iraan, Sheffield
1691 ft · 41 sec
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19
Continue on Interstate 10 East
564 ft · 15 sec · Interstate 10 East
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20
Turn right onto North State Highway 349
13 mi · 19 min · North State Highway 349
-
21
Turn right onto East 6th Street
11 m · 1 sec · East 6th Street
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22
Arrive at your destination
0 m · 1 sec · East 6th Street
Car Route Details
A richer read on the saved driving route between Houston and Iraan.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 10 West
Keep slight right
229 mi · 03h 40m
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Houston and Mostly Sunny near Iraan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Houston to Iraan?
The road trip is about 450.5 miles (725 km) and usually takes 07h 44m 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?
Boerne is a useful midpoint, sitting about 225.1 miles from Houston and 225.5 miles from Iraan.
How much longer is the road route than the straight-line distance?
The direct path is about 397.6 miles (639.9 km), while the road route adds roughly 52.9 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 $60.09 one way or $120.17 round trip. Estimated CO2 is about 141.3 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Houston and Mostly Sunny near Iraan.
Stop Ideas Near Boerne
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 Boerne.
San Antonio Station
San Marcos Station
Austin
Flight Path Map
This map shows the direct air route between Houston and Iraan. Straight-line distance: 397.63 mi (639.93 km).
#1 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 |
#2 Iraan
City in Pecos County, Texas, United States
| Population | 1,221 |
| Coordinates | 30.9140500, -101.8979100 |
| Altitude | 677 |
| Country | United States |
End: Iraan (-101.89791, 30.91405)
Estimated Travel Time
Distance: 725 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 15h 00m |
| 40 mph (64.37 km/h) | 11h 15m |
| 50 mph (80.47 km/h) | 09h 00m |
| 60 mph (96.56 km/h) | 07h 30m |
| 70 mph (112.65 km/h) | 06h 26m |
| 80 mph (129 km/h) | 05h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $60.09 | $120.17 |
| Mid-grade | $4.25 | $67.61 | $135.21 |
| Premium | $4.59 | $73.00 | $145.99 |
| Diesel | $3.99 | $63.49 | $126.98 |
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.