How far is Tulsa from Ok City?

It is approximately 258 miles from Dallas, Tx to Tulsa, Ok. However you should take into account that the DFW metroplex encompasses 9286 sq. miles and just over 6 million people. So traveling from Tulsa to Dallas may be a hop skip and a jump. Traveling from where you first encounter the DFW metroplex to where you ultimately want arrive, can effect your overall travel time and milage greatly.