Cedar Park, TX to Plano, TX is 202.2 miles and takes about 3h 38m via Purple Heart Trail and I 35E, with a fuel budget near $31 and enough daylight to finish in a day. This journey primarily traverses the Great Plains region of Texas, offering a straightforward drive. You'll experience a mixed driving profile, so don't expect a constant interstate pace. With only one recommended stop and a relatively short duration, this route is easily manageable for a single day, making it a convenient option if you're looking for a direct connection between these two Texas cities.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
101.1 miles from Cedar Park, TX
A natural place for your longest stop of the day
, about 1h 49m into the drive
.
Step-by-step road directions between Cedar Park, TX and Plano, TX.
1
Start on US 183
1.2 mi·2 min·North Bell Boulevard
Use the left lane.
2
Turn right onto RM 1431
8.6 mi·11 min·East Whitestone Boulevard
Use the left lane.
3
Turn slight left
0.2 mi·30 sec
Toward Interstate 35
4
Continue on North Interstate 35
0.7 mi·1 min·North Interstate 35
5
Take the ramp
0.4 mi·52 sec
Toward I 35 North
6
Merge onto I 35
74 mi·1 hr 16 min·Purple Heart Trail
Use the straight / slight right lanes.
7
Continue on I 35
6.6 mi·7 min·South Jack Kultgen Expressway
Use the straight / slight right lanes.
8
Continue on I 35; US 77
33 mi·33 min·Purple Heart Trail
Use the straight / slight right lanes.
9
Keep slight right at fork onto I 35E
56 mi·58 min·I 35E
Toward I 35E: DallasUse the slight right lane.
10
Take the exit
0.4 mi·41 sec
Exit 427AToward I 30 East: Texarkana, Riverfront Boulevard, Griffin StreetUse the slight right lane.
11
Keep slight left at fork
422 ft·5 sec
Toward I 35E North, I 30 West: Denton, Fort Worth, Texarkana
12
Keep slight right at fork
0.4 mi·32 sec
Toward I 30 East: Texarkana, Convention Center
13
Keep slight left at fork
385 ft·6 sec
Toward I 30 East: Texarkana
14
Continue on I 30; US 67
0.8 mi·1 min·East R L Thornton Freeway
15
Take the exit
0.5 mi·45 sec
Exit 46Toward I 45, US 75: Houston, McKinneyUse the slight right lane.
16
Keep slight left at fork
0.5 mi·1 min
Toward US 75 North: McKinneyUse the slight left lane.
17
Keep slight right at fork
0.3 mi·26 sec
Toward US 75 North: McKinney, Bryan Street East
18
Merge onto US 75
0.7 mi·49 sec·Julius Schepps Freeway
Use the straight / slight right lanes.
19
Continue on US 75
15 mi·16 min·North Central Expressway
Use the straight / right lanes.
20
Take the exit
0.4 mi·52 sec
Exit 28AToward Plano Parkway, 15th StreetUse the straight / slight right lanes.
21
Turn straight onto North Central Expressway
1.4 mi·2 min·North Central Expressway
Use the straight / left / right lanes.
22
Turn right onto East 15th Street
0.6 mi·1 min·East 15th Street
Use the straight / right lanes.
23
Arrive at destination
East 15th Street
Trip Plan
Consider leaving Cedar Park in the morning to take advantage of the full daylight and avoid potential rush hour traffic closer to Plano. With a drive time under four hours and only one recommended stop, you have the flexibility to depart whenever it suits you best. Keep an eye on your fuel levels, especially during the 107-mile stretch on the Purple Heart Trail, as services might be more spread out. Planning your single stop strategically will allow you to break up the drive comfortably and arrive in Plano refreshed.
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 101.1 miles from Cedar Park, TX, or about 1h 49m into the drive.
The longest continuous stretch on this route runs about 107 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 44 miles or 50m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 101.1 miles or 1h 49m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 56m
Traffic, exits, and arrival timing usually matter more near Plano, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Cedar Park, 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 Cedar Park, TX
This is one driving day of about 202.2 miles and 3h 38m.
Your first comfortable stop window is around 44 miles from Cedar Park, 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 Purple Heart Trail for about 107 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 15
5 decision points cluster between mile 124.7 and 199.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
124.7 mi into trip|~2h 13m in|I 35E
Keep slight right at fork onto I 35E toward I 35E: Dallas
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 35E: Dallas
8
180.9 mi into trip|~3h 11m in
Take the exit toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 427A
Toward I 30 East: Texarkana, Riverfront Bouleva...
8
182.6 mi into trip|~3h 14m in
Take the exit toward I 45, US 75: Houston, McKinney
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 46
Toward I 45, US 75: Houston, McKinney
7
183.1 mi into trip|~3h 15m in
Keep slight left at fork toward US 75 North: McKinney
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward US 75 North: McKinney
8
199.8 mi into trip|~3h 33m in
Take the exit toward Plano Parkway, 15th Street
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 28A
Toward Plano Parkway, 15th Street
Fuel & Cost
Regular Gas
$30.55 one way
$61.11 round trip
$3.84/gal25.4 MPG avg71 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$33.44
$66.89
premium
$4.54
$36.10
$72.20
diesel
$5.61
$44.64
$89.29
Estimated Tolls: $1.32
Central Expressway
(16.6 mi)$1.32
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
$31
Tolls
$1
Meals
$25–$50
Total
$57–$82
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 70.7 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $21 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
60.7
0
$21.23
$9.71
Efficient EV
50.6
0
$17.69
$8.09
EV Truck/SUV
80.9
1
$28.31
$12.94
Gas CO2
71 kg
EV CO2
24 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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.
Forecast as of Apr 18, 2026
Origin
Cedar Park, TX
Late night
in Cedar Park on Tuesday
Local time
4:10 AM
CDT
Current temp
81°F
Unavailable
Live forecast
Destination
Plano, TX
Late night
in Plano on Tuesday
Local time
4:10 AM
CDT
Current temp
54°F
Mostly Cloudy then Chance Showers And Thunderstorms
SW 15 mph69% chanceLive forecast
Freeze Watch
Freeze Watch issued April 18 at 12:34AM CDT until April 19 at 10:00AM CDT by NWS Amarillo TX
Freeze Watch
Freeze Watch issued April 18 at 12:34AM CDT until April 19 at 10:00AM CDT by NWS Amarillo TX
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
27 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
3h 38m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Waco Mammoth National Monument
National Monument
Standing as tall as 14 feet and weighing 20,000 pounds, Columbian mammoths roamed across what is present-day Texas thousands of years ago. Today, the fossil specimens represent the nation's first and...
4 mi from route
~11 min detour
Free
near mile 90.6
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive features a mixed profile, with about 40% of the journey on highways. You'll spend a significant portion of your time on the Purple Heart Trail, including a continuous stretch of 107 miles. The route transitions to I 35E and North Central Expressway as you approach your destination, which will feel like a more typical interstate experience. Expect a blend of open road driving and busier highway conditions, especially closer to the Dallas-Fort Worth metroplex.
40% highway, the rest on surface roads — varied driving throughout.
23 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 107 mi on Purple Heart Trail.
How Hard Is This Drive?
9/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 124.7 miles in near I 35E.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 15 significant decision points across 202.2 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 124.7 miles (I 35E): Highway fork - watch signs carefully. Lane positioning matters here; at 180.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 182.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Cedar Park, TX and Plano, TX, road signs point toward Fort Worth, Texarkana, Convention Center, Mckinney and Bryan Street East.
Plano is a city of 285,000 people (2020) in the Dallas-Fort Worth Metroplex region of Texas and is north of Dallas. It is home to the headquarters of several large corporations.
Doable as a same-day drive at 3h 38m. Total distance: 202.2 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 38m drive, comfortable solo distance.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 107 miles on Purple Heart Trail. The full list of main roads is in the Roads section above.
Expect about $1.32 in tolls one way, starting with Central Expressway. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Plano, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 124.7 miles (I 35E): Highway fork - watch signs carefully. Lane positioning matters here; at 180.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 182.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Waco Mammoth National Monument. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 3.6 hours each way, an in-and-out day trip would put you behind the wheel for 7.3 hours — manageable with a long break at Plano, TX, but most travelers stay overnight.
