Distance between cities › USA › Texas › Port Isabel, TX › Distance from Port Isabel to Eustace Book Hotels

Distance from Port Isabel, TX to Eustace, TX

Distance

553 mi

Time

10 hours 28 mins

Gas Cost

$51 - $98

There are 436.76 miles from Port Isabel to Eustace in north direction and 553 miles (889.97 kilometers) by car, following the I-69E and US-77 and US-83 route.

Port Isabel and Eustace are 10 hours 28 mins far apart, if you drive non-stop .

This is the fastest route from Port Isabel, TX to Eustace, TX. The halfway point is Kirby, TX.

Port Isabel, TX and Eustace, TX are in the same time zone (CDT). Current time in both locations is 9:59 pm.

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Lowest Price Rental Cars in Port Isabel, TX

Planning on renting a car to go from Port Isabel, TX to Eustace, TX? Here there are some offers to rent a car in Port Isabel, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Port Isabel »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 22.19 gallons of gas to cover the route between Port Isabel, TX and Eustace, TX.

The estimated cost of gas to go from Port Isabel to Eustace is $71.14.

During the route, an average car will release 434.74 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.21 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Port Isabel, TX and Eustace, TX

If you want to meet halfway between Port Isabel, TX and Eustace, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 29.450813 and -98.344589, or 29º 27' 2.9268" N, 98º 20' 40.5204" W. This location is 276.26 miles away from Port Isabel, TX and Eustace, TX and it would take approximately 5 hours 14 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kirby, TX, situated 296 miles from Port Isabel, TX and 276 miles from Eustace, TX. It would take 5 hours 3 mins to go from Port Isabel to Kirby and 4 hours 39 mins to go from Eustace to Kirby.

Major City Closest to Halfway Point

The major city closest to the halfway point between Port Isabel, TX and Eustace, TX is San Antonio, TX, situated 294 miles from Port Isabel, TX and 281 miles from Eustace, TX. It would take 4 hours 59 mins to go from Port Isabel to and 4 hours 41 mins to go from Eustace to San Antonio.