I highly recommend unrestricting the map (without using the full LOD range)
Code:
skyrim.ini
[MapMenu]
fMapWorldMaxHeight=150000.0000
fMapWorldMinHeight=8000.0000
bWorldMapNoSkyDepthBlur=1
fWorldMapDepthBlurScale=0
fMapWorldZoomSpeed=0.3700
fMapWorldMaxPitch=400.0000
fMapWorldYawRange=400.0000