India.
India
That particular point is located in the north-east corner of Greenland. Greenland covers 836,109 square miles.
Depends on the starting location.
The exact location of the Taj Mahal is 27.175015 degrees North latitude and 78.042155 degrees E longitude. In terms of DMS, it is located 27 degrees 10' 30.0540" North and 78 degrees 2' 31.7580" East.
New Delhi, Delhi, India
No point in Pennsylvania is at 78 degrees east longitude.
There's no city there. That point is in northern India, about 185 miles east of Amritsar.
27° 10′ 27″ N, 78° 2′ 32″ E27.174167, 78.042222
Washington D.C., New York.
Lake Ontario is at 44 degrees north and 78 degrees west.
That point is in central Germany, about 78 miles east of Wiesbaden, and 92 miles northeast of Stuttgart.