north
Almost due South.
Austin TX is practically due south of Oklahoma City OK.
It is 388.71 miles accrding to MapQuest.
389 miles
Austin TX is about 350 miles due south of Oklahoma City,OK.
It is 388.71 miles according to MapQuest.
About 6-1/2 hours
Take I-35 about 380 miles north
390 miles on I-35 S; 6 to 7 hours driving time.
It is approximately 220 miles from Pampa, TX to Oklahoma City, Oklahoma.
northwest
If you are traveling from Oklahoma City, OK to Dallas, TX, you will be travelling mainly south. If you're taking Interstate 35, you will I-35E and continue going southeast towards Dallas.