Vincennes, Indiana
Wurzburg, Germany
Xangongo, Angola
Yopal, Colombia
Zurich, Switzerland (either search isn’t working or, incredibly, nobody has used it yet?!)
Alicante, Spain
Bald Knob, Arkansas, USA
Camp Justice, British Indian Ocean Territory (these islands’ civilian inhabitants were compulsorily evacuated in the 1960s – area taken over by the military).
Dolgellau, Wales, UK
Erie, Penna., USA
Franklin, Tennessee, USA
Gardabani, Georgia
Hagåtña, Guam (US territory)
Istanbul, Turkey
Jerome, AZ, USA
Not Constantinople?
In play: Keelung, Taiwan
But “I” was up. 
Loei, Thailand
Mantua, Italy
Ngerelmud, Palau
Ocracoke, North Carolina, USA