The journey from Katy to Oklahoma City is approximately 450 miles. Driving involves taking I-45 North to Dallas and then I-35 North to Oklahoma City. This is a straightforward drive that takes about 7 hours. It is a popular route for those visiting the region.
Total Distance: 720 km driving, 650 km air distance.
Be prepared for traffic in the Dallas area.
Spring and Fall are the best times to visit for pleasant weather.