Is a 2 week period normal after stopping birth control pills?

Short answer: No.

Long answer: anything is possible and some people have long periods. But 14 days would be unusually long.

If it happens again, then time to see your doctor for a work up, you might have Von Willebrand’s disease which is “the most common bleeding disorder” found in 1/100 people according to the CDC. Learn more here https://www.cdc.gov/ncbddd/vwd/facts.html