How long is act 3 & 4

[sirimjoseph]

I'm just on part 2 of the white march? Wondering how far through the game I am

[Du-Vu]

White March 1 & 2 are basically about as long as Acts 1 & 3 of the main game, I wanna say? And Act 4 is just the final dungeon, so comparatively short.