Port Arthur to Round Rock: Road Trip Guide & Distance

How far is Port Arthur from Round Rock?

The distance from Port Arthur to Round Rock is 227.2 miles (365.7 km) as the crow flies. Round Rock is located WNW of Port Arthur. By car, the driving distance is approximately 284 miles, taking about 5h 43min. A direct flight would take roughly 57min. 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 Round Rock. 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.