Conroe to Slidell: Road Trip Guide & Distance

How far is Conroe from Slidell?

The distance from Conroe to Slidell is 338.5 miles (544.8 km) as the crow flies. Slidell is located E of Conroe. By car, the driving distance is approximately 406.3 miles, taking about 8h 10min. A direct flight would take roughly 1h 11min. Both are located in United States — Conroe in Texas and Slidell in Louisiana.

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. 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 Conroe and Slidell. 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.