Port Arthur to San Antonio: Road Trip Guide & Distance

275.1 miles 442.7 km · straight line
283.2 miles actual route 455.7 km · driving distance
5h 9min estimated drive time
$27 - $34 estimated fuel cost
~1h 3min flight time
264° W bearing direction

How far is Port Arthur from San Antonio?

The distance from Port Arthur to San Antonio is 275.1 miles (442.7 km) as the crow flies. San Antonio is located W of Port Arthur. By car, the driving distance is approximately 283.2 miles, taking about 5h 9min. A direct flight would take roughly 1h 3min. Both are located in United States.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Port Arthur and San Antonio. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Port Arthur to San Antonio

Method Time Est. Cost Best For
Drive 5h 9min $27 - $34 Flexible stops
Fly ~1h 3min $80–200* Speed
Bus ~6h 11min $23–$42* Budget
Train ~4h 54min $34–$99* Comfort

Suggested Stops Between Port Arthur & San Antonio

Quick Facts

Port Arthur
29.89°N, 93.94°W
America/Chicago
2m elevation
San Antonio
29.42°N, 98.49°W
America/Chicago
198m elevation
Explore more routes from San Antonio

Did You Know?

  • At walking speed (3 mph), it would take about 92 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 23 hours
  • You could travel this distance about 90.5 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM