How far is Katy, TX from Houston, TX?
Fastest route
The distance from Katy, Texas, to Houston, Texas is approximately 29.0 miles (46.7 kilometers). The estimated travel time is around 30 minutes via I-10 E. Here are some tips and suggestions for the journey:
Directions
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🚗 Get on I-10 E in Harris County from Hwy Blvd:
- Head east on Hwy Blvd toward Danover Rd.
- Pass by McDonald's (on the right).
- Continue straight onto Katy Mills Blvd.
- Turn left onto Interstate 10 Frontage Rd E.
- Use the left lane to take the ramp onto I-10 E.
-
🛣️ Follow I-10 E to Bagby St in Houston. Take exit 47C from I-45 S:
- Keep right at the fork to stay on I-10 E.
- Keep right at the fork to stay on I-10 E.
- Use the left lane to take exit 768B to merge onto I-45 S toward Galveston.
- Use the left 2 lanes to take exit 47C for McKinney St.
Tips & Suggestions
- 🚦 Plan Ahead: Check traffic conditions on I-10 E and I-45 S before starting your journey to avoid delays.
- 📱 Use Navigation Apps: Utilize navigation apps like Google Maps or Waze to get real-time traffic updates and find the fastest route.
- 🛣️ Stay on I-10 E: Stick to I-10 E as it offers the most direct and efficient route to Houston.
- ⛽ Refuel Beforehand: Make sure to have enough fuel in your vehicle before the trip, especially for longer journeys.
- 🚗 Car Maintenance: Ensure your car is in good condition, with properly inflated tires and functioning brakes, for a safe drive.
- ☕ Take Breaks: If it's a long trip, consider taking short breaks to stretch and rest during the journey.
- 🚧 Be Aware of Construction: Stay informed about any ongoing road construction or detours that might affect your route.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 34m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Harris County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Slight Chance Showers And Thunderstorms
Patchy Fog then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Katy and Houston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Katy and Houston.
-
1
Start on Highway Boulevard
1.1 mi · 2 min · Highway Boulevard
-
2
Turn left onto Katy Freeway Frontage Road
69 m · 4 sec · Katy Freeway Frontage Road
-
3
Take the ramp slight left toward I 10 East
1776 ft · 44 sec
-
4
Merge slight left onto Katy Freeway
26.7 mi · 32 min · Katy Freeway
-
5
Take the exit slight right toward Downtown, Theatre District
2064 ft · 52 sec
-
6
Continue on Smith Street
704 ft · 29 sec · Smith Street
-
7
Turn left onto Preston Street
101 m · 17 sec · Preston Street
-
8
Turn left onto Louisiana Street
55 m · 5 sec · Louisiana Street
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9
Arrive at your destination
0 m · 1 sec · Louisiana Street
Car Route Details
A richer read on the saved driving route between Katy and Houston.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Katy Freeway
Merge slight left onto Katy Freeway
26.7 mi · 00h 32m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Patchy Fog then Slight Chance Showers And Thunderstorms leaving Katy and Patchy Fog then Slight Chance 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 Katy to Houston?
The road trip is about 28.7 miles (46.2 km) and usually takes 00h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Bunker Hill Village is a useful midpoint, sitting about 14.4 miles from Katy and 14.4 miles from Houston.
How much longer is the road route than the straight-line distance?
The direct path is about 27.7 miles (44.6 km), while the road route adds roughly 1 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.82 one way or $7.63 round trip. Estimated CO2 is about 9 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog then Slight Chance Showers And Thunderstorms around Katy and Patchy Fog then Slight Chance Showers And Thunderstorms near Houston.
Stop Ideas Near Bunker Hill Village
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Hermann Square
Houston BCycle: City Hall
Houston City Hall
City of Sugar Land
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bunker Hill Village.
Houston, TX
Houston
Prairie View, TX
Galveston (Texas Eagle Bus), Texas
Flight Path Map
This map shows the direct air route between Katy and Houston. Straight-line distance: 27.7 mi (44.58 km).
#1 Katy
City in Texas, United States; within the Houston–The Woodlands–Sugar Land metropolitan area
| Population | 23,889 |
| Coordinates | 29.7857900, -95.8244000 |
| Altitude | 42 |
| 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: 46 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 57m |
| 40 mph (64.37 km/h) | 00h 43m |
| 50 mph (80.47 km/h) | 00h 34m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $3.82 | $7.63 |
| Mid-grade | $4.25 | $4.29 | $8.59 |
| Premium | $4.59 | $4.64 | $9.27 |
| Diesel | $3.99 | $4.03 | $8.07 |
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 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.