Oklahoma City, OK's night sky, measured from orbit
Satellite radiance puts Oklahoma City in the inner-city band. Among the brightest skies in this dataset. Usually just the Moon and a few of the brightest stars or planets cut through. That's brighter than 100% of the 3,206 US cities in this dataset.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.
Where to go for a darker sky near Oklahoma City
Del City, OK, about 4 miles away as the crow flies, measures in the suburban band, one step darker than Oklahoma City. Actual driving distance will run longer than that straight-line figure.
Del City, OK is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Oklahoma City compares nationally
Oklahoma City, OK has a population of about 712,919, one of 3,206 US cities of 10,000 or more residents in this dataset. Oklahoma City places 3,187 of 3,206 cities in this dataset's darkest-to-brightest order.