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Driving distance from Houston, TX to New Orleans, LA. The total driving distance from Houston, TX to New Orleans, LA is 347 miles or 558 kilometers. Your trip begins in Houston, Texas. It ends in New Orleans, Louisiana. If you are planning a road trip, you might also want to calculate the total driving time from Houston, TX to New Orleans, LA so you can see when you'll arrive at your destination.
<strong style=font-weight:normal;>The distance between Dallas, Texas and New Orleans, Louisiana:</strong> <br /> <ul> <li>Using I-20 &amp; I-48: 505mi for 7hrs 20min</li> <li>Using I-49: 537mi for 8hrs 6min</li> <li>Using I-10: 512mi for 8hrs 14min</li> <li>Please allow for local traffic/weather/holiday conditions</li> </ul>.