Origin
Dilley, TX
Late night in Dilley on Tuesday
Local time
5:18 AM
CDT
Current temp
93°F
Unavailable
Live forecast
Trip from Dilley, TX to Plano, TX
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
6h 30m
Distance
363.6 mi
585 km
Drive Score
10/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$55
one way
EV Charging
Unknown
Best Time to Leave
4 AM
6h 18m
★
6 AM
6h 30m
8 AM
6h 55m
10 AM
6h 39m
12 PM
6h 36m
3 PM
6h 40m
5 PM
6h 53m
8 PM
6h 23m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Dilley, TX
Wikimedia Commons
Plano, TX
Wikimedia Commons
Trip Overview
Dilley to Plano is 363.6 miles and takes about 6h 30m via Purple Heart Trail and I 35E, with a fuel budget near $55 and enough daylight to finish in a day. This route will take you across the Texas Great Plains, offering a straightforward drive through varied landscapes. You'll spend a good portion of the trip on major expressways, making for efficient travel. With just one recommended stop and a relatively short driving time, this trip is well-suited for a single day of travel, allowing you to reach your destination with ease.
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
181.8 miles from Dilley, TX
A natural place for your longest stop of the day , about 3h 16m into the drive .
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Purple Heart Trail | 246 mi | 4h 16m |
| I 35E | 56.2 mi | 58m |
| South Pan Am Expressway | 21.5 mi | 26m |
| North Central Expressway | 16.6 mi | 18m |
| North Pan Am Expressway | 7.4 mi | 8m |
| South Jack Kultgen Expressway | 6.6 mi | 7m |
| South Main Street | 2.3 mi | 3m |
| Interstate Highway 35 | 1.9 mi | 2m |
Longest stretch:
Purple Heart Trail
— 246 mi, about 4h 16m
Turn-by-Turn Driving Directions
Step-by-step road directions between Dilley, TX and Plano, TX.
1
Start on I 35 Bus; FM 117
2.3 mi
·
3 min
·
South Main Street
2
Turn right onto South I 35 Access Road East
427 ft
·
13 sec
·
South I 35 Access Road East
3
Take the ramp
0.4 mi
·
56 sec
4
Merge onto I 35
58 mi
·
57 min
·
Purple Heart Trail
Use the straight / slight right lanes.
5
Continue on I 35
9.3 mi
·
11 min
·
South Pan Am Expressway
Use the straight / slight left lanes.
6
Keep slight left at fork onto I 35
1.7 mi
·
2 min
·
South Pan Am Expressway
Use the straight / slight right lanes.
7
Keep slight right at fork onto I 35
10 mi
·
13 min
·
South Pan Am Expressway
Toward I 37, US 281: Upper Level, Corpus Christi, Johnson City
Use the straight lane.
8
Keep slight left at fork onto North Pan Am Expressway
7.4 mi
·
8 min
·
North Pan Am Expressway
Toward I 35: Austin
Use the straight / slight right lanes.
9
Continue on I 35
12 mi
·
12 min
·
Purple Heart Trail
Use the straight / slight right lanes.
10
Continue on I 35
1.9 mi
·
2 min
·
Interstate Highway 35
Use the straight / slight right lanes.
11
Continue on I 35
48 mi
·
52 min
·
Purple Heart Trail
Use the straight / slight right lanes.
12
Keep slight right at fork onto I 35; US 290
96 mi
·
1 hr 40 min
·
Purple Heart Trail
Use the straight / slight right lanes.
13
Continue on I 35
6.6 mi
·
7 min
·
South Jack Kultgen Expressway
Use the straight / slight right lanes.
14
Continue on I 35; US 77
33 mi
·
33 min
·
Purple Heart Trail
Use the straight / slight right lanes.
15
Keep slight right at fork onto I 35E
56 mi
·
58 min
·
I 35E
Toward I 35E: Dallas
Use the slight right lane.
16
Take the exit
0.4 mi
·
41 sec
Exit 427A
Toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street
Use the slight right lane.
17
Keep slight left at fork
422 ft
·
5 sec
Toward I 35E North, I 30 West: Denton, Fort Worth, Texarkana
18
Keep slight right at fork
0.4 mi
·
32 sec
Toward I 30 East: Texarkana, Convention Center
19
Keep slight left at fork
385 ft
·
6 sec
Toward I 30 East: Texarkana
20
Continue on I 30; US 67
0.8 mi
·
1 min
·
East R L Thornton Freeway
21
Take the exit
0.5 mi
·
45 sec
Exit 46
Toward I 45, US 75: Houston, McKinney
Use the slight right lane.
22
Keep slight left at fork
0.5 mi
·
1 min
Toward US 75 North: McKinney
Use the slight left lane.
23
Keep slight right at fork
0.3 mi
·
26 sec
Toward US 75 North: McKinney, Bryan Street East
24
Merge onto US 75
0.7 mi
·
49 sec
·
Julius Schepps Freeway
Use the straight / slight right lanes.
25
Continue on US 75
15 mi
·
16 min
·
North Central Expressway
Use the straight / right lanes.
26
Take the exit
0.4 mi
·
52 sec
Exit 28A
Toward Plano Parkway, 15th Street
Use the straight / slight right lanes.
27
Turn straight onto North Central Expressway
1.4 mi
·
2 min
·
North Central Expressway
Use the straight / left / right lanes.
28
Turn right onto East 15th Street
0.6 mi
·
1 min
·
East 15th Street
Use the straight / right lanes.
29
Arrive at destination
East 15th Street
Trip Plan
Given the 6h 30m estimated duration, leaving Dilley in the morning is your best bet to complete this 363.6-mile drive within daylight hours. Plan for your single recommended stop to break up the longest stretch of 246 miles on the Purple Heart Trail. The fuel cost is estimated at $55, so ensure your tank is full before departing Dilley. This is a manageable one-day drive, so you have flexibility in your timing, but being mindful of potential traffic as you approach Plano will be beneficial.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 181.8 miles from Dilley, TX, or about 3h 16m into the drive.
The longest continuous stretch on this route runs about 246 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 80 miles or 1h 26m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 181.8 miles or 3h 16m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 5h 23m
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 Dilley, 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 Dilley, TX
This is one driving day of about 363.6 miles and 6h 30m.
Your first comfortable stop window is around 80 miles from Dilley, 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 246 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
182 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 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 181.8 miles from Dilley, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Purple Heart Trail if your tank is already low. That segment runs about 246 miles.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 185 decision points cluster between mile 71.5 and 361.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
71.5 mi into trip
|
~1h 15m in
|
I 35 / South Pan Am Expressway
Keep slight right at fork onto I 35 / South Pan Am Expressway toward I 37, US 281: Upper Level, Corpus Christi, Johnson City
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight lane.
Toward I 37, US 281: Upper Level, Corpus Christ...
7
82 mi into trip
|
~1h 28m in
|
North Pan Am Expressway
Keep slight left at fork onto North Pan Am Expressway toward I 35: Austin
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 35: Austin
8
342.4 mi into trip
|
~6h 3m 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
344.1 mi into trip
|
~6h 6m 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
8
361.3 mi into trip
|
~6h 25m 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
$54.94 one way
$109.88 round trip
$3.84/gal
25.4 MPG avg
127 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.20 | $60.14 | $120.27 |
| premium | $4.54 | $64.92 | $129.84 |
| diesel | $5.61 | $80.28 | $160.56 |
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
$55
Tolls
$1
Meals
$25–$50
Total
$81–$106
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 127.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $38 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 109.1 | 1 | $38.18 | $17.45 |
| Efficient EV | 90.9 | 1 | $31.82 | $14.54 |
| EV Truck/SUV | 145.4 | 1 | $50.90 | $23.27 |
Gas CO2
127 kg
EV CO2
43 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
Plano, TX
Late night in Plano on Tuesday
Local time
5:18 AM
CDT
Current temp
83°F
Unavailable
Live forecast
84°F
Belton, TX
182 mi in
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
10 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
6h 30m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
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...
5 mi from route
~12 min detour
Free
near mile 250.8
View on nps.gov
San Antonio Missions National Historical Park
National Historical Park
Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas. Each mission in the park is a center of community and has been since the early 1700s. Th...
9 mi from route
~22 min detour
Free
near mile 75.2
View on nps.gov
Park data from the National Park Service API. Alerts update every 2 hours.
What kind of drive is this?
You'll be on major roads for about 31% of this 363.6-mile drive. The longest continuous stretch on a single road is 246 miles along the Purple Heart Trail. After this significant portion of surface road driving, you'll merge onto Interstate 35E. Expect a mixed drive profile, transitioning from more rural cruising to potentially busier sections as you approach urban areas. Keep an eye out for the transition points between these road types.
31% highway, the rest on surface roads — varied driving throughout.
29 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 246 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 71.5 miles in near I 35 / South Pan Am Expressway.
Driving Effort
9/10
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 18 significant decision points across 363.6 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 71.5 miles (I 35 / South Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 82 miles (North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here; at 342.4 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.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Dilley, TX and Plano, TX, road signs point toward Corpus Christi, Johnson City, Fort Worth, Texarkana, Convention Center and Mckinney - among others.
Corpus Christi
71.5 mi in
|
~1h 15m
|
via I 35
Johnson City
71.5 mi in
|
~1h 15m
|
via I 35
Fort Worth
342.8 mi in
|
~6h 4m
Texarkana
342.8 mi in
|
~6h 4m
Convention Center
342.9 mi in
|
~6h 4m
Mckinney
344.1 mi in
|
~6h 6m
Bryan Street East
345.1 mi in
|
~6h 8m
About the Cities
Starting in Dilley, TX
Full guide →Arriving in Plano, TX
Full guide →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.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 6h 30m. Total distance: 363.6 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
6h 30m drive, plan rest stops for pacing.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 246 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 71.5 miles (I 35 / South Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 82 miles (North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here; at 342.4 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 and San Antonio Missions National Historical Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 6.5 hours each way, a round trip means 13.0 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Plano, TX before the return drive.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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