What do these three US cities have in common?

Given a map of three US cities, can you identify what they have in common?
If a connection you think works isn't accepted, you probably weren't specific enough
Some of these dots are suburbs of nearby, larger cities.
I've tried to be as expansive as possible with type-ins. Please let me know if something doesn't work that should.
Click an image to see a larger version and for attribution
Quiz by MiracleMax
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Last updated: May 4, 2020
First submittedMay 3, 2020
Times taken21
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+2
Level 81
May 4, 2020
Wow! Very creative!
+1
Level 51
May 11, 2020
Agreed! Great quiz MiracleMax!