McKinney to Port Arthur: Road Trip Guide & Distance

How far is McKinney from Port Arthur?

The distance from McKinney to Port Arthur is 277.8 miles (447 km) as the crow flies. Port Arthur is located SE of McKinney. By car, the driving distance is approximately 347.2 miles, taking about 6h 59min. A direct flight would take roughly 1h 4min. 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. 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 McKinney 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.