How far is Harlingen, TX from Dallas, TX?
The driving distance from Harlingen, TX to Dallas, TX is about 535.4 miles (861.7 km), with a travel time of about 07h 36m by car.
- The straight-line flight distance is about 458.6 miles (738.1 km).
- For a round trip, plan for roughly 15h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 07h 36m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Harlingen and Dallas.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harlingen and Dallas.
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1
Start on South Commerce Street
4 m · 4 sec · South Commerce Street
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2
Turn left onto West Harrison Avenue
1.3 mi · 2 min · West Harrison Avenue
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3
Turn right onto North Expressway 77
130 m · 12 sec · North Expressway 77
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4
Take the ramp slight left toward I 69E North, US 77 North
884 ft · 22 sec
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5
Merge slight left onto U.S. Highway 77
88 mi · 1 hr 38 min · U.S. Highway 77
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6
Keep slight left
1157 ft · 14 sec
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7
Merge slight right
1.2 mi · 1 min
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8
Continue on U.S. Highway 77
11.6 mi · 13 min · U.S. Highway 77
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9
Take the exit slight right
1410 ft · 34 sec
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10
Turn straight onto US Highway 77 Frontage Road
148 m · 18 sec · US Highway 77 Frontage Road
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11
Turn right onto County Road 10
1 mi · 4 min · County Road 10
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12
Turn left onto County Road 79
4 mi · 16 min · County Road 79
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13
Turn left onto County Road 18
848 ft · 44 sec · County Road 18
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14
Turn sharp right
1.1 mi · 3 min
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15
Take the ramp straight
2351 ft · 57 sec
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16
Merge slight left onto Driscoll Bypass
2.3 mi · 2 min · Driscoll Bypass
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17
Continue on U.S. Highway 77
13.2 mi · 14 min · U.S. Highway 77
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18
Merge slight left
1.4 mi · 1 min
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19
Keep slight left
1.3 mi · 1 min
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20
Continue straight
18.3 mi · 18 min
-
21
Take the exit slight right toward TX 359: Mathis, Skidmore
1275 ft · 33 sec
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22
Turn right onto State Highway 359
12.4 mi · 17 min · State Highway 359
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23
At the end of the road, turn left onto South 8th Street
1.3 km · 56 sec · South 8th Street
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24
Continue on US Highway 181 South
40.2 mi · 46 min · US Highway 181 South
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25
Continue on South Sunset Strip Drive
1.2 mi · 1 min · South Sunset Strip Drive
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26
Turn right onto West Main Street
1.2 km · 1 min · West Main Street
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27
Keep slight left to continue on East Main Street
71 m · 4 sec · East Main Street
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28
Continue on Helena Road
8.4 mi · 11 min · Helena Road
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29
Turn straight onto State Highway 80
23.6 mi · 26 min · State Highway 80
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30
Continue on South Nixon Avenue
1 mi · 2 min · South Nixon Avenue
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31
Continue on State Highway 80 North
30.8 mi · 35 min · State Highway 80 North
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32
Continue on US 183
10.1 mi · 12 min · US 183
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33
Continue on South Colorado Street
4.9 mi · 9 min · South Colorado Street
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34
Continue on United States Highway 183
1282 ft · 17 sec · United States Highway 183
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35
Keep slight left to continue on TX 130 Toll North: Austin, Waco
2447 ft · 35 sec
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36
Merge slight left onto Pickle Parkway
58.5 mi · 55 min · Pickle Parkway
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37
Keep slight left to continue on I 35 North: Waco
2045 ft · 50 sec
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38
Merge slight left onto Purple Heart Trail
64.7 mi · 1 hr 6 min · Purple Heart Trail
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39
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
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40
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
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41
Keep slight right to continue on I 35E: Dallas
58.1 mi · 1 hr 1 min
-
42
Take the exit slight right toward Continental Avenue
1188 ft · 31 sec
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43
Turn right onto Continental Avenue
1275 ft · 31 sec · Continental Avenue
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44
Turn slight right onto North Lamar Street
132 m · 11 sec · North Lamar Street
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45
Arrive at your destination
0 m · 1 sec · North Lamar Street
Car Route Details
A richer read on the saved driving route between Harlingen and Dallas.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
U.S. Highway 77
Merge slight left onto U.S. Highway 77
88 mi · 01h 38m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Harlingen and Mostly Cloudy near Dallas.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harlingen to Dallas?
The road trip is about 535.4 miles (861.7 km) and usually takes 07h 36m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Kingsbury is a useful midpoint, sitting about 252.2 miles from Harlingen and 283.2 miles from Dallas.
How much longer is the road route than the straight-line distance?
The direct path is about 458.6 miles (738.1 km), while the road route adds roughly 76.8 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $71.39 one way or $142.77 round trip. Estimated CO2 is about 167.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Harlingen and Mostly Cloudy near Dallas.
Stop Ideas Near Kingsbury
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 Kingsbury.
San Marcos Station
San Antonio Station
Austin
Taylor
Flight Path Map
This map shows the direct air route between Harlingen and Dallas. Straight-line distance: 458.62 mi (738.07 km).
#1 Harlingen
The most populous city in Cameron County, Texas.
| Population | 65,176 |
| Coordinates | 26.1906300, -97.6961000 |
| Altitude | 12 |
| Country | United States |
#2 Dallas
The ninth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.
| Population | 1,343,266 |
| Coordinates | 32.7830600, -96.8066700 |
| Altitude | 128 |
| Country | United States |
End: North Lamar Street (-96.806574, 32.783135)
Estimated Travel Time
Distance: 862 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 50m |
| 40 mph (64.37 km/h) | 13h 23m |
| 50 mph (80.47 km/h) | 10h 42m |
| 60 mph (96.56 km/h) | 08h 55m |
| 70 mph (112.65 km/h) | 07h 38m |
| 80 mph (129 km/h) | 06h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $71.39 | $142.77 |
| Mid-grade | $4.25 | $80.32 | $160.64 |
| Premium | $4.59 | $86.72 | $173.45 |
| Diesel | $3.99 | $75.43 | $150.86 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.