Laredo to Port Arthur: Road Trip Guide & Distance

How far is Laredo from Port Arthur?

The distance from Laredo to Port Arthur is 375.1 miles (603.7 km) as the crow flies. Port Arthur is located ENE of Laredo. By car, the driving distance is approximately 450.1 miles, taking about 9h 3min. A direct flight would take roughly 1h 15min. Both are located in United States.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Laredo and Port Arthur. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.