How far is San Leon, TX from Houston, TX?
The driving distance from San Leon, TX to Houston, TX is about 40.5 miles (65.1 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 32.8 miles (52.8 km).
- For a round trip, plan for roughly 01h 46m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 00h 53m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between San Leon and Houston.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Leon and Houston.
-
1
Start on Avenue I
50 m · 9 sec · Avenue I
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2
Continue straight
8.7 mi · 14 min
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3
Turn left onto Parke Street
1677 ft · 29 sec · Parke Street
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4
Turn straight onto Main Street
136 m · 10 sec · Main Street
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5
Continue on Pine Street
1717 ft · 31 sec · Pine Street
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6
Continue on Pine Drive
1.4 mi · 2 min · Pine Drive
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7
Turn right onto Gulf Freeway Frontage Road
1.5 km · 2 min · Gulf Freeway Frontage Road
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8
Take the ramp slight left toward I 45 North
1035 ft · 25 sec
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9
Merge slight left onto South Gulf Freeway
27.2 mi · 31 min · South Gulf Freeway
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10
Take the exit slight right toward Houston Avenue, Memorial Drive
1566 ft · 38 sec
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11
Keep slight right to continue on Memorial Drive
135 m · 15 sec
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12
Turn right onto Memorial Drive Frontage Road
878 ft · 24 sec · Memorial Drive Frontage Road
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13
Continue on Rusk Street
1470 ft · 52 sec · Rusk Street
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14
Turn left onto Louisiana Street
1525 ft · 52 sec · Louisiana Street
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15
Arrive at your destination
0 m · 1 sec · Louisiana Street
Car Route Details
A richer read on the saved driving route between San Leon 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.
South Gulf Freeway
Merge slight left onto South Gulf Freeway
27.2 mi · 00h 31m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Showers And Thunderstorms leaving San Leon 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 San Leon to Houston?
The road trip is about 40.5 miles (65.1 km) and usually takes 00h 53m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Webster is a useful midpoint, sitting about 20.1 miles from San Leon and 20.3 miles from Houston.
How much longer is the road route than the straight-line distance?
The direct path is about 32.8 miles (52.8 km), while the road route adds roughly 7.7 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:44 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.40 one way or $10.81 round trip. Estimated CO2 is about 12.7 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around San Leon and Chance Showers And Thunderstorms then Showers And Thunderstorms near Houston.
Stop Ideas Near Webster
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
La Porte First City Hall & Jail
La Porte City Hall
Alvin City Attorney
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Webster.
Houston, TX
Houston
Galveston (Texas Eagle Bus), Texas
Prairie View, TX
Flight Path Map
This map shows the direct air route between San Leon and Houston. Straight-line distance: 32.81 mi (52.8 km).
#1 San Leon
Census designated place
| Population | 4,970 |
| Coordinates | 29.4832900, -94.9221500 |
| Altitude | 3 |
| 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: 65 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 20m |
| 40 mph (64.37 km/h) | 01h 00m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $5.40 | $10.81 |
| Mid-grade | $4.25 | $6.08 | $12.16 |
| Premium | $4.59 | $6.57 | $13.13 |
| Diesel | $3.99 | $5.71 | $11.42 |
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.