Adelphi is located in United States (Prince George's County, Maryland) and time zone America/New_York.
Places nearby are Langley Park, Hillandale and College Park.
Brooklyn is 302 km away, New York City is 303 km away and Queens is 311 km away as the crow flies.
Distances from Adelphi to the most important cities in United States and the world.
39.0031700°
-76.9719200°
University in Garden City, New York, US
https://en.wikipedia.org/wiki/Adelphi_UniversityBritish pro-eugenics organisation
https://en.wikipedia.org/wiki/Adelphi_Genetics_ForumFormer American cable television company
https://en.wikipedia.org/wiki/Adelphia_Communications_Corporation