Origin
Katy, TX
Afternoon in Katy on Wednesday
Local time
3:22 PM
CDT
Current temp
77°F
Unavailable
Live forecast
Trip from Katy, TX to McKinney, TX
Last recalculated Apr 15, 2026
Drive Time
5h 7m
Distance
287.5 mi
463 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$43
one way
Best Time to Leave
4 AM
4h 54m
★
6 AM
5h 7m
8 AM
5h 34m
10 AM
5h 17m
12 PM
5h 14m
3 PM
5h 18m
5 PM
5h 33m
8 PM
4h 59m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Katy, TX
Wikimedia Commons
McKinney, TX
Wikimedia Commons
Trip Overview
This 287.5-mile drive from Katy, TX to McKinney, TX is easily manageable as a single-day trip, taking approximately 5 hours and 7 minutes. With 97% highway driving, it's a straightforward journey primarily on I 45 and West Grand Parkway North, leading you through the Great Plains region of Texas. Expect a fuel cost of around $43 for this route. While it's a direct path, the longest uninterrupted stretch is 214 miles, so planning for a single stop is advisable. This highway-focused route offers efficiency for getting between these two Texas locations.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
143.8 miles from Katy, TX
A natural place for your longest stop of the day , about 2h 34m into the drive .
Drive Character
The personality of this drive is overwhelmingly highway-focused, with 97% of the journey taking place on major roadways like I 45 and West Grand Parkway North. You'll experience a consistent pace for the majority of the trip, especially during the substantial 214-mile stretch on I 45. This route is designed for forward momentum, minimizing detours and maximizing your time on the road. The character remains largely consistent, prioritizing speed and directness over varied scenery.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 18 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 45 is the longest continuous segment at about 214 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 45 and West Grand Parkway North. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2.3 miles in.
Route Complexity
10/10
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 12 significant decision points across 287.5 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 2.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 41.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Critical Maneuvers
5 of 12 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
8
2.3 mi into trip
|
~3m in
Take the exit toward TX 99 Toll North, TX 99 South: Grand Parkway
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 743B
Toward TX 99 Toll North, TX 99 South: Grand Par...
7
2.7 mi into trip
|
~4m in
Keep slight left at fork toward TX 99 Toll North: Grand Parkway
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward TX 99 Toll North: Grand Parkway
6
41.3 mi into trip
|
~46m in
Take the exit toward I 45 North: Dallas
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Toward I 45 North: Dallas
8
283.4 mi into trip
|
~4h 59m in
Take the exit toward SRT South, TX 5: Sam Rayburn Tollway
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 38C
Toward SRT South, TX 5: Sam Rayburn Tollway
6
283.8 mi into trip
|
~5h in
Keep slight right at fork
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 45 | 214 mi | 3h 41m |
| West Grand Parkway North | 37.8 mi | 41m |
| North Central Expressway | 26.6 mi | 28m |
| South Tennessee Street | 1.1 mi | 2m |
| Highway Boulevard | 1.1 mi | 1m |
| South McDonald Street | 1 mi | 1m |
| Spur 399 | 0.9 mi | 1m |
| Katy Freeway | 0.8 mi | <1m |
Longest stretch:
I 45
— 214 mi, about 3h 41m
Turn-by-Turn Driving Directions
Step-by-step road directions between Katy, TX and McKinney, TX.
1
Start on US 90
1.1 mi
·
1 min
·
Highway Boulevard
2
Turn left onto US 90
227 ft
·
4 sec
·
Katy Freeway Frontage Road
Use the left lane.
3
Take the ramp onto US 90
0.3 mi
·
43 sec
·
US 90
Toward I 10 East
4
Merge onto I 10; US 90
0.8 mi
·
52 sec
·
Katy Freeway
5
Take the exit
0.4 mi
·
44 sec
Exit 743B
Toward TX 99 Toll North, TX 99 South: Grand Parkway
Use the straight / slight right lanes.
6
Keep slight left at fork
0.6 mi
·
1 min
Toward TX 99 Toll North: Grand Parkway
Use the slight left lane.
7
Keep slight left at fork
0.2 mi
·
20 sec
Toward TX 99 Toll North
8
Merge onto TX 99 Toll
38 mi
·
41 min
·
West Grand Parkway North
Use the straight / slight right lanes.
9
Take the exit
1.4 mi
·
3 min
Toward I 45 North: Dallas
Use the slight right lane.
10
Merge onto I 45
214 mi
·
3 hr 41 min
·
I 45
Use the straight / slight right lanes.
11
Continue on US 75
27 mi
·
28 min
·
North Central Expressway
Use the straight / right lanes.
12
Take the exit
0.3 mi
·
21 sec
Exit 38C
Toward SRT South, TX 5: Sam Rayburn Tollway
Use the straight / slight right lanes.
13
Keep slight right at fork
0.7 mi
·
1 min
Use the slight right lane.
14
Merge onto Spur 399
0.9 mi
·
1 min
·
Spur 399
15
Continue on TX 5
1.0 mi
·
1 min
·
South McDonald Street
16
Turn slight left
281 ft
·
10 sec
17
Continue on South Tennessee Street
1.1 mi
·
2 min
·
South Tennessee Street
18
Arrive at destination
North Tennessee Street
Trip Plan
Given the 5-hour duration, starting your drive from Katy, TX early in the morning is recommended to avoid potential traffic as you approach McKinney, TX. With only one planned stop suggested, make it a comfortable one to break up the 214-mile stretch on I 45. The estimated fuel cost of $43 means you can budget accordingly, and it's wise to ensure your tank is full before departing Katy. Since this is a direct, highway-centric route, flexibility with your timing is key.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 143.8 miles from Katy, TX, or about 2h 34m into the drive.
The longest continuous stretch on this route runs about 214 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 63 miles or 1h 11m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 143.8 miles or 2h 34m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 9m
Traffic, exits, and arrival timing usually matter more near McKinney, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Katy, TX so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Katy, TX
This is one driving day of about 287.5 miles and 5h 7m.
Your first comfortable stop window is around 63 miles from Katy, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 45 for about 214 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 143.8 mi from Katy, TX · 2h 34m into the drive
Mid-route town
Meal stop
144 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 63 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 143.8 miles from Katy, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 45 if your tank is already low. That segment runs about 214 miles.
Arriving in McKinney, TX
The final approach into McKinney, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around McKinney, TX.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$43.44 one way
$86.88 round trip
$3.84/gal
25.4 MPG avg
101 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.20 | $47.55 | $95.10 |
| premium | $4.54 | $51.33 | $102.66 |
| diesel | $5.61 | $63.48 | $126.95 |
Estimated Tolls: $2.13
Central Expressway
(26.6 mi)
$2.13
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$43
Tolls
$2
Meals
$25–$50
Total
$71–$96
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 100.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $30 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 86.3 | 1 | $30.19 | $13.80 |
| Efficient EV | 71.9 | 0 | $25.16 | $11.50 |
| EV Truck/SUV | 115 | 1 | $40.25 | $18.40 |
Gas CO2
101 kg
EV CO2
34 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
McKinney, TX
Afternoon in McKinney on Wednesday
Local time
3:22 PM
CDT
Current temp
59°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
18 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
5h 7m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Katy, TX to McKinney, TX covers 287.5 miles and takes about 5h 7m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 45, West Grand Parkway North, North Central Expressway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 143.8 miles from Katy, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $43.44 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 12 significant decision points across 287.5 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 2.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 41.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
The route from Katy, TX to McKinney, TX does not surface many named destination signs beyond the main corridor.
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