See my other recent thread for some info about these heights.
The Pennsylvania North
Building:
https://skyscraperpage.com/cities/?buildingID=77955
Coordinates:
38.89385, -77.02045
Height (spire):
52.4 m (Google Earth 3D imagery measured from north side entrance to tower spire on northeast corner)
Height (roof):
44.2 m
Location sources:
https://www.redfin.com/DC/Washington...1/home/9879719
https://www.601pennnorth.com/
https://www.apartments.com/601-penns...on-dc/0slz2t2/
1875 Pennsylvania Avenue
Building:
https://skyscraperpage.com/cities/?buildingID=50194
Height (spire):
49.7 m (Google Earth 3D imagery measured from south side entrance to southeast corner of roof "fin")
1801 Pennsylvania Avenue
Building:
https://skyscraperpage.com/cities/?buildingID=76184
Height (spire):
54.3 m (Google Earth 3D imagery measured from south side entrance to top of "dome")
2401 E Street NW
Building:
https://skyscraperpage.com/cities/?buildingID=80073
Height (roof):
49.7 m (Google Earth 3D imagery measured from southeast corner)