Bowling Green, KY: how dark is the sky here?
Satellite radiance puts Bowling Green in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 66.1% of the 3,206 US cities in this dataset.
This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely.
How far Bowling Green is from a meaningfully darker sky
Franklin, KY, about 19 miles away as the crow flies, measures in the suburban edge band, one step darker than Bowling Green. Actual driving distance will run longer than that straight-line figure.
Franklin, KY is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Bowling Green compares nationally
Bowling Green, KY has a population of about 79,076, one of 3,206 US cities of 10,000 or more residents in this dataset. Bowling Green places 2,108 of 3,206 cities in this dataset's darkest-to-brightest order.