Lafayette, Louisiana to Round Rock: Road Trip Guide & Distance

How far is Lafayette, Louisiana from Round Rock?

The distance from Lafayette, Louisiana to Round Rock is 337.9 miles (543.8 km) as the crow flies. Round Rock is located W of Lafayette, Louisiana. By car, the driving distance is approximately 405.5 miles, taking about 8h 9min. A direct flight would take roughly 1h 11min. Both are located in United States — Lafayette, Louisiana in Louisiana and Round Rock in Texas.

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. 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 Lafayette, Louisiana 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.