How far is Houston, TX from Big Lake, TX?
The driving distance from Houston, TX to Big Lake, TX is about 444.4 miles (715.2 km), with a travel time of about 07h 49m by car.
- The straight-line flight distance is about 376.2 miles (605.4 km).
- For a round trip, plan for roughly 15h 39m 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 49m.
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 Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Houston and Big Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Big Lake.
-
1
Start on Louisiana Street
761 ft · 25 sec · Louisiana Street
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2
Take the ramp straight toward I 10 West: San Antonio
2149 ft · 52 sec
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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
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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
188.7 mi · 3 hr 2 min
-
18
Take the exit slight right toward SH 163: Sterling City, Comstock
1217 ft · 30 sec
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19
Continue on 14th Street
1362 ft · 42 sec · 14th Street
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20
Turn right onto Avenue E
1.6 km · 2 min · Avenue E
-
21
Continue on Texas State Highway 163
28.6 mi · 43 min · Texas State Highway 163
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22
Turn left onto Reagan Street
18 mi · 19 min · Reagan Street
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23
Arrive at your destination
0 m · 1 sec · East 2nd Street
Car Route Details
A richer read on the saved driving route between Houston and Big Lake.
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
189 mi · 03h 02m
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.
Mostly Sunny leaving Houston and Sunny near Big Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Houston to Big Lake?
The road trip is about 444.4 miles (715.2 km) and usually takes 07h 49m 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 222 miles from Houston and 222.4 miles from Big Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 376.2 miles (605.4 km), while the road route adds roughly 68.2 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 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 $59.25 one way or $118.51 round trip. Estimated CO2 is about 139.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Houston and Sunny near Big Lake.
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 Big Lake. Straight-line distance: 376.17 mi (605.39 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 Big Lake
City in Texas, USA
| Population | 3,348 |
| Coordinates | 31.1915400, -101.4603900 |
| Altitude | 820 |
| Country | United States |
End: Big Lake (-101.46039, 31.19154)
Estimated Travel Time
Distance: 715 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 48m |
| 40 mph (64.37 km/h) | 11h 06m |
| 50 mph (80.47 km/h) | 08h 53m |
| 60 mph (96.56 km/h) | 07h 24m |
| 70 mph (112.65 km/h) | 06h 20m |
| 80 mph (129 km/h) | 05h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $59.25 | $118.51 |
| Mid-grade | $4.25 | $66.67 | $133.34 |
| Premium | $4.59 | $71.99 | $143.97 |
| Diesel | $3.99 | $62.61 | $125.22 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.