When you do the teleport cheat you need to input a number that determines where you teleport to. Be aware that your exact position when you teleport can be unpredictable and you can get stuck without the 'Walkthrough' cheat activated.
Write it like e.g "Teleport = 1".
Here is a list of the numbers and locations they bring you to:

1-2
Everthorn Forest

3
Overworld

4
Bavelock streets

5-27
Various Bavelock city houses

28
Gwydion Forest

29-30, 49
Blackwhisper Cave

31
Savina entrance

37
Savina streets

38-48
Various Savina city houses

32-33
Fisher house

34
Goldbrim Bridge

35
Mogwai Mountains

36
Thieves' Passage

50
Dream sequence

51
Nightshade Cemetary