What is the driving distance form Dallas to Monterrey?

The driving distance between Dallas and Monterrey, Mexico is approximately 805 miles (1,300 kilometers). Travel time can vary between 12 to 15 hours depending on traffic and road conditions. The route primarily follows Interstate 35 South and then intersects with Texas State Highway 259 towards the US-Mexico border. Once crossing the border, drivers continue on Federal Highway 40 (Carretera Federal 40) to Monterrey.