Decatur, Alabama to Port Arthur: Road Trip Guide & Distance

521.1 miles 838.6 km · straight line
625.3 miles estimated 1006.3 km · driving distance
12h 35min estimated drive time
$60 - $74 estimated fuel cost
~1h 33min flight time
233° SW bearing direction

How far is Decatur, Alabama from Port Arthur?

The distance from Decatur, Alabama to Port Arthur is 521.1 miles (838.6 km) as the crow flies. Port Arthur is located SW of Decatur, Alabama. By car, the driving distance is approximately 625.3 miles, taking about 12h 35min. A direct flight would take roughly 1h 33min. Both are located in United States — Decatur, Alabama in Alabama and Port Arthur in Texas.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. 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 Decatur, Alabama 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.

How to Get from Decatur, Alabama to Port Arthur

Method Time Est. Cost Best For
Drive 12h 35min $60 - $74 Flexible stops
Fly ~1h 33min $80–200* Speed
Bus ~15h 6min $50–$94* Budget
Train ~16h 22min $75–$219* Comfort

Suggested Stops Between Decatur, Alabama & Port Arthur

Quick Facts

Decatur, Alabama
34.61°N, 86.98°W
America/Chicago
171m elevation
Port Arthur
29.89°N, 93.94°W
America/Chicago
2m elevation
Explore more routes from Port Arthur

Did You Know?

  • At walking speed (3 mph), it would take about 174 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 43 hours
  • You could travel this distance about 47.8 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients