How far is Plano, TX from Katy, TX?
The driving distance from Plano, TX to Katy, TX is about 274.3 miles (441.4 km), with a travel time of about 04h 50m by car.
- The straight-line flight distance is about 229.3 miles (369.1 km).
- For a round trip, plan for roughly 09h 41m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 50m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Slight Chance Showers And Thunderstorms
Mostly Cloudy then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Plano and Katy.
Turn-by-Turn Driving Directions
Step-by-step road directions between Plano and Katy.
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1
Start on East 15th Street
1 km · 1 min · East 15th Street
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2
Turn left onto Central Expressway
919 ft · 18 sec · Central Expressway
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3
Take the ramp slight left toward US 75 South
798 ft · 19 sec
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4
Merge slight left onto Central Expressway
16.6 mi · 18 min · Central Expressway
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5
Continue on Julius Schepps Freeway
3.4 mi · 4 min · Julius Schepps Freeway
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6
Keep slight left to continue on Julius Schepps Freeway
210.7 mi · 3 hr 37 min · Julius Schepps Freeway
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7
Take the exit slight right toward 99 Toll West: Grand Parkway
1 mi · 2 min
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8
Keep slight left
1266 ft · 31 sec
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9
Merge slight left onto North Grand Parkway West
37.8 mi · 41 min · North Grand Parkway West
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10
Take the exit slight right toward I 10 East, I 10 West: Houston, San Antonio
3149 ft · 1 min
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11
Keep slight right to continue on I 10 West: San Antonio
1.1 km · 1 min
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12
Merge slight left onto Katy Freeway
1.1 km · 43 sec · Katy Freeway
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13
Take the exit slight right toward US 90 West: Katy Mills Boulevard
2779 ft · 1 min
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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 Plano 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.
Julius Schepps Freeway
Keep slight left to continue on Julius Schepps Freeway
211 mi · 03h 37m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Slight Chance Showers And Thunderstorms leaving Plano and Mostly Cloudy then Chance Showers And Thunderstorms near Katy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Plano to Katy?
The road trip is about 274.3 miles (441.4 km) and usually takes 04h 50m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Jewett is a useful midpoint, sitting about 137.3 miles from Plano and 136.9 miles from Katy.
How much longer is the road route than the straight-line distance?
The direct path is about 229.3 miles (369.1 km), while the road route adds roughly 45 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:18 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.58 one way or $73.16 round trip. Estimated CO2 is about 86 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Plano and Mostly Cloudy then Chance Showers And Thunderstorms near Katy.
Stop Ideas Near Jewett
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 Jewett.
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Flight Path Map
This map shows the direct air route between Plano and Katy. Straight-line distance: 229.32 mi (369.06 km).
#1 Plano
The second most populous city in Texas and the center of the Dallas-Fort Worth metropolitan area.
| Population | 291,296 |
| Coordinates | 33.0198400, -96.6988900 |
| Altitude | 203 |
| 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: 441 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 08m |
| 40 mph (64.37 km/h) | 06h 51m |
| 50 mph (80.47 km/h) | 05h 29m |
| 60 mph (96.56 km/h) | 04h 34m |
| 70 mph (112.65 km/h) | 03h 55m |
| 80 mph (129 km/h) | 03h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $36.58 | $73.16 |
| Mid-grade | $4.25 | $41.16 | $82.32 |
| Premium | $4.59 | $44.44 | $88.88 |
| Diesel | $3.99 | $38.65 | $77.30 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.