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Trip from Orason Acres Colonia, TX to Harlingen, TX

Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards

Drive Time

27m

Distance

20.3 mi

33 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$3

one way

EV Charging

Unknown

Best Time to Leave

Save up to 7 min
4 AM
0h 25m ★
6 AM
0h 28m
8 AM
0h 32m
10 AM
0h 29m
12 PM
0h 29m
3 PM
0h 30m
5 PM
0h 32m
8 PM
0h 26m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown Orason Acres Colonia, TX, TX

Orason Acres Colonia, TX

Jeff Stapleton

city in Cameron County, Texas, United States

Harlingen, TX

Wikimedia Commons

Trip Overview

This quick 20.3-mile drive from Orason Acres Colonia, TX, to Harlingen, TX, is easily manageable in about 27 minutes, making it a perfect candidate for a single-day trip. You'll primarily be on U.S. Highway 77 and Texas State Highway 100, with a brief stint on East Ocean Boulevard. Given the short distance and estimated $3 fuel cost, this route is very budget-friendly. It's a straightforward journey through the Great Plains region of Texas, offering a simple and efficient way to get from point A to point B without much fuss.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 27m. Total distance: 20.3 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

27m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (65%). Some complex stretches to watch for.

Drive Character

Expect a highway-focused experience on this route, with 65% of your journey taking place on main roads. The longest uninterrupted stretch you'll encounter is 7.4 miles on U.S. Highway 77, indicating a consistent pace for a significant portion of the drive. While largely highway, the inclusion of Texas State Highway 100 and East Ocean Boulevard suggests a potential shift in scenery and speed as you approach your destination. This isn't a winding country road, but rather a practical path designed for efficient travel.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 13 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
U.S. Highway 77 is the longest continuous segment at about 7.4 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on U.S. Highway 77 and Texas State Highway 100. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.5 miles in near TX 100 / East Ocean Boulevard.

Driving Effort 5/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 20.3 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 0.5 miles (TX 100 / East Ocean Boulevard): Navigation decision point; at 9.3 miles (I 69E; US 77; US 83 / U.S. Highway 77): Merge point - match speed before joining. Lane positioning matters here; at 16.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 8 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

3
0.5 mi into trip | ~0m in | TX 100 / East Ocean Boulevard

Turn right onto TX 100 / East Ocean Boulevard

Navigation decision point

5
9.3 mi into trip | ~13m in | I 69E; US 77; US 83 / U.S. Highway 77

Merge onto I 69E; US 77; US 83 / U.S. Highway 77

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
8
16.8 mi into trip | ~21m in

Take the exit toward FM 801 West, Loop 499 East: Valley International Airport, Ed Carey Drive, New Hampshire 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 23A Toward FM 801 West, Loop 499 East: Valley Inter...
5
17.4 mi into trip | ~22m in | Loop 499 / North Ed Carey Drive

Turn right onto Loop 499 / North Ed Carey Drive

Lane positioning matters here

Use the straight / right lanes.
5
18.4 mi into trip | ~24m in | US 77 Business / Business 77

Turn left onto US 77 Business / Business 77

Lane positioning matters here

Use the left lane.

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Orason Acres Colonia, TX and Harlingen, TX, road signs point toward Fm 801 West and Loop 499 East: Valley International Airport.

Fm 801 West

16.8 mi in | ~21m

Loop 499 East: Valley International Airport

16.8 mi in | ~21m

Main Roads

Road Distance Duration
U.S. Highway 77 7.4 mi 8m
Texas State Highway 100 4.2 mi 5m
East Ocean Boulevard 3 mi 4m
South Commerce Street 1.3 mi 2m
State Highway 100 1.2 mi 1m
North Ed Carey Drive 1 mi 1m
Business 77 0.6 mi <1m
Tract 43 Road 0.5 mi <1m
Longest stretch: U.S. Highway 77 — 7.4 mi, about 8m

Turn-by-Turn Driving Directions

Step-by-step road directions between Orason Acres Colonia, TX and Harlingen, TX.

1

Start on Tract 43 Road

0.5 mi · 56 sec · Tract 43 Road
2

Turn right onto TX 100

3.0 mi · 4 min · East Ocean Boulevard
3

Continue on TX 100

4.2 mi · 5 min · Texas State Highway 100
4

Continue on TX 100

1.2 mi · 1 min · State Highway 100
5

Turn right onto North Frontage Road

0.1 mi · 15 sec · North Frontage Road
6

Take the ramp

0.3 mi · 35 sec
7

Merge onto I 69E; US 77; US 83

7.4 mi · 8 min · U.S. Highway 77
Use the straight / slight right lanes.
8

Take the exit

0.2 mi · 29 sec
Exit 23A Toward FM 801 West, Loop 499 East: Valley International Airport, Ed Carey Drive, New Hampshire Street Use the slight right lane.
9

Turn straight onto South Expressway 83

0.4 mi · 48 sec · South Expressway 83
Use the straight / right lanes.
10

Turn right onto Loop 499

1.0 mi · 1 min · North Ed Carey Drive
Use the straight / right lanes.
11

Turn left onto US 77 Business

0.6 mi · 52 sec · Business 77
Use the left lane.
12

Turn slight left onto South Commerce Street

1.3 mi · 2 min · South Commerce Street
13

Arrive at destination

South Commerce Street

Fuel & Cost

Regular Gas

$3.07 one way

$6.13 round trip

$3.84/gal 25.4 MPG avg 7 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.20 $3.36 $6.71
premium $4.54 $3.62 $7.25
diesel $5.61 $4.48 $8.96

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$3

Estimated CO2 emission: 7.1 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $2 in charging · 0 stops · 71% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 6.1 0 $2.13 $0.97
Efficient EV 5.1 0 $1.78 $0.81
EV Truck/SUV 8.1 0 $2.84 $1.30

Gas CO2

7 kg

EV CO2

2 kg (71% 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

Orason Acres Colonia, TX

Late night in Orason Acres Colonia on Saturday

Local time

3:45 AM

CDT

Current temp

88°F

Unavailable

Live forecast

Destination

Harlingen, TX

Late night in Harlingen on Saturday

Local time

3:45 AM

CDT

Current temp

68°F

Unavailable

Live forecast

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

20 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

27m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Orason Acres Colonia, TX to Harlingen, TX covers 20.3 miles and takes about 27m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are U.S. Highway 77, Texas State Highway 100, East Ocean Boulevard. Most of the drive stays on highways, so watch for ramps and exits.

This is a comfortable same-day trip.

The midpoint is about 10.2 miles from Orason Acres Colonia, TX. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $3.07 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This drive requires moderate attention. Across 20.3 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

The main spots that need attention: at 0.5 miles (TX 100 / East Ocean Boulevard): Navigation decision point; at 9.3 miles (I 69E; US 77; US 83 / U.S. Highway 77): Merge point - match speed before joining. Lane positioning matters here; at 16.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Between Orason Acres Colonia, TX and Harlingen, TX, road signs point toward Fm 801 West and Loop 499 East: Valley International Airport.

Yes. Nearby national parks include Palo Alto Battlefield National Historical Park.

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, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.

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