https://loremaps.azurewebsites.net/Maps/Faerun - Zoomable map of Faerun for D&D with some key markers annotated
- High resolution map of the Sword Coast where many of the adventure modules are based to give a better idea of terrain, relative distance
https://aided.org/atlas/index.php?map=R&I=1 - Atlas style map with key points of interest. Can also select many common cities from the menu to switch to that map (Waterdeep, Baldurs Gate, Neverwinter, Laelith, Kara-Tur, Greyhawk, Chult, etc.)
https://donjon.bin.sh/5e/dungeon/ - random dungeon generator. Same site also has other pages to generate random magic shops, encounters. Pick the ruleset (5e, 4e, pathfinder, etc) for appropriate items