How far is Katy, TX from Plano, TX?
The driving distance from Katy, TX to Plano, TX is about 275.7 miles (443.7 km), with a travel time of about 04h 03m by car.
- The straight-line flight distance is about 229.3 miles (369.1 km).
- For a round trip, plan for roughly 08h 07m 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 03m.
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.
Mostly Cloudy then Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Katy and Plano.
Turn-by-Turn Driving Directions
Step-by-step road directions between Katy and Plano.
-
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
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4
Merge slight left onto Katy Freeway
1.3 km · 52 sec · Katy Freeway
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5
Take the exit slight right toward TX 99 Toll North, TX 99 South: Grand Parkway
2346 ft · 45 sec
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6
Keep slight left to continue on TX 99 Toll North: Grand Parkway
1 km · 1 min
-
7
Keep slight left to continue on TX 99 Toll North
854 ft · 21 sec
-
8
Merge slight left onto West Grand Parkway North
37.8 mi · 41 min · West Grand Parkway North
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9
Take the exit slight right toward I 45 North: Dallas
1.4 mi · 3 min
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10
Merge slight left
214 mi · 3 hr 41 min
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11
Continue on North Central Expressway
15.2 mi · 16 min · North Central Expressway
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12
Take the exit slight right toward Plano Parkway, 15th Street
2162 ft · 53 sec
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13
Turn straight onto North Central Expressway
1.4 mi · 2 min · North Central Expressway
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14
Turn right onto East 15th Street
3101 ft · 1 min · East 15th Street
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15
Arrive at your destination
0 m · 1 sec · East 15th Street
Car Route Details
A richer read on the saved driving route between Katy and Plano.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 45 North
Merge slight left
214 mi · 03h 41m
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.
Mostly Cloudy then Chance Showers And Thunderstorms leaving Katy and Slight Chance Showers And Thunderstorms near Plano.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Katy to Plano?
The road trip is about 275.7 miles (443.7 km) and usually takes 04h 03m 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 137.4 miles from Katy and 138.3 miles from Plano.
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 46.4 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 8:52 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.77 one way or $73.54 round trip. Estimated CO2 is about 86.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around Katy and Slight Chance Showers And Thunderstorms near Plano.
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.
Bryan, TX
Waco, TX
Temple
Flight Path Map
This map shows the direct air route between Katy and Plano. Straight-line distance: 229.32 mi (369.06 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 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 |
End: East 15th Street (-96.698873, 33.019694)
Estimated Travel Time
Distance: 444 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 11m |
| 40 mph (64.37 km/h) | 06h 53m |
| 50 mph (80.47 km/h) | 05h 30m |
| 60 mph (96.56 km/h) | 04h 35m |
| 70 mph (112.65 km/h) | 03h 56m |
| 80 mph (129 km/h) | 03h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $36.77 | $73.54 |
| Mid-grade | $4.25 | $41.37 | $82.74 |
| Premium | $4.59 | $44.67 | $89.34 |
| Diesel | $3.99 | $38.85 | $77.70 |
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.