Origin
Dallas, TX
Evening in Dallas on Friday
Local time
5:58 PM
CDT
Current temp
60°F
Unavailable
Live forecast
Trip from Dallas, TX to Harper, TX
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
5h 23m
Distance
283.7 mi
457 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$43
one way
EV Charging
Unknown
Best Time to Leave
4 AM
5h 10m
★
6 AM
5h 23m
8 AM
5h 50m
10 AM
5h 32m
12 PM
5h 30m
3 PM
5h 34m
5 PM
5h 48m
8 PM
5h 15m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Dallas, TX
Wikimedia Commons
Harper, TX
Mark Direen
Trip Overview
This 283.7-mile drive from Dallas, TX, to Harper, TX, will take approximately 5 hours and 23 minutes of pure driving time. It's a straightforward, highway-focused trip, making it a feasible day trip, though you could easily extend it if you prefer a more relaxed pace. With an estimated fuel cost of $43, it's an economical option for exploring the Great Plains region of Texas. The route primarily utilizes South R L Thornton Freeway and West US Highway 290, offering a consistent driving experience. You'll spend about 83% of your time on highways, so plan accordingly for this primarily road-based journey.
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
141.9 miles from Dallas, TX
A natural place for your longest stop of the day , about 2h 27m into the drive .
About the Cities
Starting in Dallas, TX
Full guide →Dallas, with a population of more than 1.3 million residents, is the ninth largest city in the United States and the third largest in the state of Texas. It is an impressive melting pot of culture and character. Boasting high-end luxury hotels, innumerable fine dining spots, and one of the busiest airports in the world, Dallas maintains an upscale ethos reflected by an affluent population, world-class museums, and a shimmering modern skyline. Its history was marred by the infamous assassination of U.S. President John F. Kennedy, but there is more historic and contemporary heritage to be discovered in the city. As a center of the oil and cotton industries in the late 1800s and early 1900s, Dallas was a classic American boom town and remains one of the fastest growing cities in the nation.
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 5h 23m. Total distance: 283.7 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 23m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (83%). Some complex stretches to watch for.
Drive Character
Expect a highway-focused drive for the majority of this 283.7-mile journey, with 83% of the route utilizing major roadways. The longest uninterrupted stretch you'll encounter is 89.9 miles on South R L Thornton Freeway, so be prepared for extended periods of consistent driving. While the profile is described as highway-focused, the transition onto West US Highway 290 and Purple Heart Trail might offer subtle shifts in scenery and road conditions. This route is designed for efficient travel, prioritizing speed and directness over winding backroads.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 36 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
South R L Thornton Freeway is the longest continuous segment at about 89.9 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on South R L Thornton Freeway and West US Highway 290. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.6 miles in.
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 20 significant decision points across 283.7 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 0.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 0.8 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 136.1 miles (I 35): Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 20 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
9
0.6 mi into trip
|
~1m in
Keep slight left at fork toward I 30 West, I 35E South
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 30 West, I 35E South
8
0.8 mi into trip
|
~1m in
Keep slight right at fork toward I 35E South
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Toward I 35E South
6
136.1 mi into trip
|
~2h 22m in
|
I 35
Keep slight left at fork onto I 35
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
8
145 mi into trip
|
~2h 31m in
Take the exit toward FM 2268, FM 2843: Holland, Florence
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 283
Toward FM 2268, FM 2843: Holland, Florence
6
163.7 mi into trip
|
~2h 55m in
Take the exit toward TX 138: Lampasas
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Toward TX 138: Lampasas
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Dallas, TX and Harper, TX, road signs point toward Fm 2268, Fm 2843: Holland, Florence and Fredericksburg.
Fm 2268
145 mi in
|
~2h 31m
Fm 2843: Holland
145 mi in
|
~2h 31m
Florence
145 mi in
|
~2h 31m
Fredericksburg
229.9 mi in
|
~4h 17m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| South R L Thornton Freeway | 89.9 mi | 1h 32m |
| West US Highway 290 | 49.3 mi | 55m |
| Purple Heart Trail | 37.9 mi | 39m |
| South US Highway 281 | 33.5 mi | 40m |
| FM 2843 | 14.6 mi | 18m |
| East RM 243 | 12.1 mi | 15m |
| West State Highway 29 | 9 mi | 10m |
| I 35 | 8.9 mi | 8m |
Longest stretch:
South R L Thornton Freeway
— 89.9 mi, about 1h 32m
Turn-by-Turn Driving Directions
Step-by-step road directions between Dallas, TX and Harper, TX.
1
Start on North Lamar Street
0.2 mi
·
34 sec
·
North Lamar Street
2
Turn right onto Elm Street
0.2 mi
·
30 sec
·
Elm Street
3
Continue on Elm Street
0.1 mi
·
14 sec
·
Elm Street
4
Take the ramp
327 ft
·
7 sec
Toward I 30, I 35E
5
Keep slight left at fork
0.2 mi
·
20 sec
Toward I 30 West, I 35E South
Use the straight / slight right lanes.
6
Keep slight right at fork
330 ft
·
8 sec
Toward I 35E South
Use the slight left / slight right lanes.
7
Merge onto I 35E
0.8 mi
·
1 min
·
South Stemmons Freeway
Use the straight / slight right lanes.
8
Continue on I 35E
0.5 mi
·
44 sec
·
South R L Thornton Freeway
9
Continue on I 35E
89 mi
·
1 hr 31 min
·
South R L Thornton Freeway
Exit 426
Toward Dallas Zoo
Use the straight / slight right lanes.
10
Continue on I 35; US 77
6.6 mi
·
7 min
·
North Jack Kultgen Expressway
Use the straight / slight right lanes.
11
Continue on I 35
38 mi
·
39 min
·
Purple Heart Trail
Use the straight / slight right lanes.
12
Keep slight left at fork onto I 35
8.9 mi
·
8 min
·
I 35
Use the straight / slight right lanes.
13
Take the exit
0.3 mi
·
35 sec
Exit 283
Toward FM 2268, FM 2843: Holland, Florence
Use the straight / slight right lanes.
14
Turn straight onto South Robertson Road
0.1 mi
·
11 sec
·
South Robertson Road
15
Continue on South I-35 Frontage Road
0.6 mi
·
53 sec
·
South I-35 Frontage Road
16
Turn slight right onto FM 2843
15 mi
·
18 min
·
FM 2843
17
At end of road, turn right onto FM 487
2.4 mi
·
3 min
·
FM 487
18
Continue on FM 487
0.1 mi
·
14 sec
·
East Main Street
19
Take the ramp
0.3 mi
·
41 sec
Toward TX 195 North
20
Merge onto TX 195
0.3 mi
·
17 sec
·
TX 195
21
Take the exit
0.3 mi
·
46 sec
Toward TX 138: Lampasas
Use the slight right lane.
22
Turn left onto TX 138
6.9 mi
·
8 min
·
State Highway 138
23
At end of road, turn right onto US 183
0.2 mi
·
17 sec
·
North US Highway 183
24
Turn left onto RM 243
0.6 mi
·
41 sec
·
East Ranch Road 243
25
Continue on RM 243
1.0 mi
·
1 min
·
East RM 243
26
Keep slight left at fork onto RM 243
11 mi
·
14 min
·
East RM 243
27
Turn right onto TX 29; RM 243
9.0 mi
·
10 min
·
West State Highway 29
28
Continue on TX 29
1.6 mi
·
2 min
·
East Polk Street
29
Turn left onto US 281
2.0 mi
·
3 min
·
South Water Street
Use the left lane.
30
Continue on US 281
34 mi
·
40 min
·
South US Highway 281
31
Take the exit
0.1 mi
·
15 sec
Toward Fredericksburg
32
Merge onto US 290
1.0 mi
·
1 min
·
East Main Street
Toward Fredericksburg
33
Continue on US 290
27 mi
·
30 min
·
West US Highway 290
34
Continue on US 290
3.5 mi
·
7 min
·
East Main Street
35
Continue on US 290
22 mi
·
24 min
·
West US Highway 290
36
Arrive at destination
US 290; RM 783
Trip Plan
Given the 5-hour and 23-minute duration, starting your trip from Dallas early in the morning is recommended to maximize daylight and avoid potential traffic. With only one designated stop and a manageable distance, you have flexibility in how you pace yourself. Plan for your fuel needs, as the estimated cost is $43. A key consideration for this highway-focused route is to stay aware of your surroundings, especially during the longest stretch of 89.9 miles on South R L Thornton Freeway, to ensure a smooth and safe journey to Harper, TX.
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 141.9 miles from Dallas, TX, or about 2h 27m into the drive.
The longest continuous stretch on this route runs about 89.9 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 62 miles or 1h 5m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 141.9 miles or 2h 27m 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 21m
Traffic, exits, and arrival timing usually matter more near Harper, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Dallas, 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 Dallas, TX
This is one driving day of about 283.7 miles and 5h 23m.
Your first comfortable stop window is around 62 miles from Dallas, 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 South R L Thornton Freeway for about 89.9 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 141.9 mi from Dallas, TX · 2h 27m into the drive
Mid-route town
Meal stop
142 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 62 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 141.9 miles from Dallas, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before South R L Thornton Freeway if your tank is already low. That segment runs about 89.9 miles.
Arriving in Harper, TX
The final approach into Harper, 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 Harper, TX.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$42.87 one way
$85.74 round trip
$3.84/gal
25.4 MPG avg
99 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.20 | $46.92 | $93.84 |
| premium | $4.54 | $50.65 | $101.31 |
| diesel | $5.61 | $62.64 | $125.27 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$43
Meals
$25–$50
Total
$68–$93
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 99.3 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $30 in charging · 1 stop · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 85.1 | 1 | $29.79 | $13.62 |
| Efficient EV | 70.9 | 0 | $24.82 | $11.35 |
| EV Truck/SUV | 113.5 | 1 | $39.72 | $18.16 |
Gas CO2
99 kg
EV CO2
33 kg (67% 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
Harper, TX
Evening in Harper on Friday
Local time
5:58 PM
CDT
Current temp
70°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
10 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
5h 23m 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 Dallas, TX to Harper, TX covers 283.7 miles and takes about 5h 23m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are South R L Thornton Freeway, West US Highway 290, Purple Heart Trail. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 141.9 miles from Dallas, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $42.87 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 20 significant decision points across 283.7 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 0.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 0.8 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 136.1 miles (I 35): Highway fork - watch signs carefully. Lane positioning matters here.
Between Dallas, TX and Harper, TX, road signs point toward Fm 2268, Fm 2843: Holland, Florence and Fredericksburg.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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