How far is Pasadena, TX from Katy, TX?
The driving distance from Pasadena, TX to Katy, TX is about 42.4 miles (68.3 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 37.5 miles (60.3 km).
- For a round trip, plan for roughly 01h 48m 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 54m.
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 Harris County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Pasadena and Katy.
Turn-by-Turn Driving Directions
Step-by-step road directions between Pasadena and Katy.
-
1
Start on South Main Street
1.4 mi · 2 min · South Main Street
-
2
Turn left onto Pasadena Freeway Frontage Road
2389 ft · 50 sec · Pasadena Freeway Frontage Road
-
3
Take the ramp slight left toward TX 225 West
882 ft · 22 sec
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4
Merge slight left onto Pasadena Freeway
2974 ft · 39 sec · Pasadena Freeway
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5
Continue on La Porte Freeway
2.2 mi · 3 min · La Porte Freeway
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6
Take the exit slight left toward I 610 West
2542 ft · 1 min
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7
Merge slight left onto East Loop South
1.6 km · 1 min · East Loop South
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8
Take the exit slight right toward I 45 North, TX 35 South: Alvin, Downtown
947 ft · 23 sec
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9
Keep slight right to continue on I 45 North: Downtown
1551 ft · 38 sec
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10
Merge slight left onto Gulf Freeway
7.8 mi · 9 min · Gulf Freeway
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11
Take the exit slight left toward I 10 West: San Antonio
717 ft · 18 sec
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12
Merge slight left onto Katy Freeway
26.3 mi · 32 min · Katy Freeway
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13
Take the exit slight right toward US 90 West: Katy Mills Boulevard
2779 ft · 1 min
-
14
Turn right onto Highway Boulevard
1 mi · 2 min · Highway Boulevard
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15
Arrive at your destination
0 m · 1 sec · Highway Boulevard
Car Route Details
A richer read on the saved driving route between Pasadena and Katy.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Katy Freeway
Merge slight left onto Katy Freeway
26.3 mi · 00h 32m
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.
Partly Cloudy leaving Pasadena and Mostly Sunny near Katy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Pasadena to Katy?
The road trip is about 42.4 miles (68.3 km) and usually takes 00h 54m 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?
Hilshire Village is a useful midpoint, sitting about 21.2 miles from Pasadena and 21.3 miles from Katy.
How much longer is the road route than the straight-line distance?
The direct path is about 37.5 miles (60.3 km), while the road route adds roughly 4.9 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.76 one way or $11.52 round trip. Estimated CO2 is about 13.3 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Pasadena and Mostly Sunny near Katy.
Stop Ideas Near Hilshire Village
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Hermann Square
Houston BCycle: City Hall
Houston City Hall
Houston Police Department Westside
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hilshire Village.
Houston
Houston, TX
Prairie View, TX
Galveston (Texas Eagle Bus), Texas
Flight Path Map
This map shows the direct air route between Pasadena and Katy. Straight-line distance: 37.49 mi (60.33 km).
#1 Pasadena
The second most populous city in Harris County, Texas.
| Population | 149,440 |
| Coordinates | 29.6910600, -95.2091000 |
| Altitude | 9 |
| Country | United States |
#2 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 |
End: Katy (-95.8244, 29.78579)
Estimated Travel Time
Distance: 68 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 24m |
| 40 mph (64.37 km/h) | 01h 03m |
| 50 mph (80.47 km/h) | 00h 50m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.84 | $5.76 | $11.52 |
| Mid-grade | $4.35 | $6.52 | $13.04 |
| Premium | $4.72 | $7.08 | $14.17 |
| Diesel | $5.78 | $8.66 | $17.33 |
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 · Oct 15, 2026