How far is Port Isabel, TX from Corpus Christi, TX?
The driving distance from Port Isabel, TX to Corpus Christi, TX is about 170.6 miles (274.6 km), with a travel time of about 02h 46m by car.
- The straight-line flight distance is about 119.9 miles (193 km).
- For a round trip, plan for roughly 05h 32m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 46m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Port Isabel and Corpus Christi.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Isabel and Corpus Christi.
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1
Start on South Musina Street
985 ft · 33 sec · South Musina Street
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2
Turn left onto West Queen Isabella Boulevard
741 ft · 23 sec · West Queen Isabella Boulevard
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3
Turn straight onto State Highway 100
1 mi · 3 min · State Highway 100
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4
Turn left
14.1 mi · 15 min
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5
Take the exit slight right toward TX 550
936 ft · 23 sec
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6
Keep slight right to continue on TX 550
14 m · 1 sec
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7
Turn right onto State Highway 550
3.6 mi · 4 min · State Highway 550
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8
Continue straight
1.9 mi · 2 min
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9
Continue on I-169, TX 550 Toll
1.5 km · 59 sec · I-169, TX 550 Toll
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10
Continue on Interstate 169
3.6 mi · 4 min · Interstate 169
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11
Merge slight left onto North Expressway
2.2 mi · 2 min · North Expressway
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12
Continue on U.S. Highway 77
102 mi · 1 hr 53 min · U.S. Highway 77
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13
Keep slight left
1157 ft · 14 sec
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14
Merge slight right
1.2 mi · 1 min
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15
Continue on U.S. Highway 77
11.6 mi · 13 min · U.S. Highway 77
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16
Take the exit slight right
1410 ft · 34 sec
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17
Turn straight onto US Highway 77 Frontage Road
148 m · 18 sec · US Highway 77 Frontage Road
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18
Turn right onto County Road 10
1 mi · 4 min · County Road 10
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19
Turn left onto County Road 79
4 mi · 16 min · County Road 79
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20
Turn left onto County Road 18
848 ft · 44 sec · County Road 18
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21
Turn sharp right
1.1 mi · 3 min
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22
Take the ramp straight
2351 ft · 57 sec
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23
Merge slight left onto Driscoll Bypass
2.3 mi · 2 min · Driscoll Bypass
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24
Continue on U.S. Highway 77
6 mi · 6 min · U.S. Highway 77
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25
Take the exit slight right toward TX 44 East: Robstown, Corpus Christi
1162 ft · 28 sec
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26
Turn straight onto South US Highway 77
1.2 km · 2 min · South US Highway 77
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27
Take the ramp slight right
82 m · 7 sec
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28
Merge slight left onto East State Highway 44
11.2 mi · 12 min · East State Highway 44
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29
Keep slight left to continue on TX 358 West
3006 ft · 1 min
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30
Merge slight left onto North Padre Island Drive
1.5 km · 1 min · North Padre Island Drive
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31
Keep slight right to continue on I 37 South
2264 ft · 55 sec
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32
Merge slight left
4.3 mi · 6 min
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33
Continue on Interstate Highway 37
118 m · 10 sec · Interstate Highway 37
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34
Continue on Interstate Highway 37
135 m · 15 sec · Interstate Highway 37
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35
Continue straight
147 m · 9 sec
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36
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Port Isabel and Corpus Christi.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
U.S. Highway 77
Continue on U.S. Highway 77
102 mi · 01h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Showers And Thunderstorms Likely leaving Port Isabel and Chance Showers And Thunderstorms near Corpus Christi.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Isabel to Corpus Christi?
The road trip is about 170.6 miles (274.6 km) and usually takes 02h 46m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Raymondville is a useful midpoint, sitting about 88.6 miles from Port Isabel and 82.1 miles from Corpus Christi.
How much longer is the road route than the straight-line distance?
The direct path is about 119.9 miles (193 km), while the road route adds roughly 50.7 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 12:58 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.75 one way or $45.50 round trip. Estimated CO2 is about 53.5 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Port Isabel and Chance Showers And Thunderstorms near Corpus Christi.
Stop Ideas Near Raymondville
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 Raymondville.
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Flight Path Map
This map shows the direct air route between Port Isabel and Corpus Christi. Straight-line distance: 119.89 mi (192.95 km).
#1 Port Isabel
City in Cameron County, Texas, United States
| Population | 6,226 |
| Coordinates | 26.0734100, -97.2085800 |
| Altitude | 2 |
| Country | United States |
#2 Corpus Christi
The second most populous city in Texas and the center of the Corpus Christi metropolitan area.
| Population | 327,248 |
| Coordinates | 27.8005800, -97.3963800 |
| Altitude | 2 |
| Country | United States |
End: I 37 (-97.396427, 27.800658)
Estimated Travel Time
Distance: 275 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 41m |
| 40 mph (64.37 km/h) | 04h 15m |
| 50 mph (80.47 km/h) | 03h 24m |
| 60 mph (96.56 km/h) | 02h 50m |
| 70 mph (112.65 km/h) | 02h 26m |
| 80 mph (129 km/h) | 02h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $22.75 | $45.50 |
| Mid-grade | $4.25 | $25.60 | $51.19 |
| Premium | $4.59 | $27.64 | $55.28 |
| Diesel | $3.99 | $24.04 | $48.08 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.