The drive from Lee's Summit to Dallas, Texas, is approximately 800 kilometers and takes about 8 hours via I-49 S and I-30 W. This route takes you through the Ozarks and into the heart of Texas. It is a long but straightforward highway drive. Be prepared for heavy traffic as you approach the Dallas-Fort Worth metroplex.
Total Distance: 800 km driving, 750 km straight-line.
I-30 can be very busy near Dallas; plan your arrival accordingly.
Spring or Fall for comfortable outdoor sightseeing.