Distance between cities › USA › Texas › Port Isabel, TX › Distance from Port Isabel to Ronald Reagan Washington National Airport Book Hotels

Distance from Port Isabel, TX to DCA Airport

Distance

1,780 mi

Time

1 day 9 hours

Gas Cost

$163 - $317

Helpful Inaccurate

There are 1,464.57 miles from Port Isabel to Ronald Reagan Washington National Airport (DCA) in northeast direction and 1,780 miles (2,864.63 kilometers) by car, following the I-10 route.

Port Isabel and DCA Airport are 1 day 9 hours far apart, if you drive non-stop .

This is the fastest route from Port Isabel, TX to DCA Airport. The halfway point is Cuba, AL.

Please note the time difference between Port Isabel, TX and DCA Airport is 1 hour. The current time in Port Isabel is 2:27 pm and the current time in DCA Airport is 3:27 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 DCA Airport? 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 71.47 gallons of gas to cover the route between Port Isabel, TX and DCA Airport.

The estimated cost of gas to go from Port Isabel to DCA Airport is $228.99.

During the route, an average car will release 1,400.25 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 $3.20 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 DCA Airport

If you want to meet halfway between Port Isabel, TX and DCA Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 32.442204 and -88.435699, or 32º 26' 31.9344" N, 88º 26' 8.5164" W. This location is 889.81 miles away from Port Isabel, TX and DCA Airport and it would take approximately 16 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cuba, AL, situated 911 miles from Port Isabel, TX and 873 miles from DCA Airport. It would take 14 hours 58 mins to go from Port Isabel to Cuba and 13 hours 19 mins to go from DCA to Cuba.