Okay back to the map.
Here's where I think Link is after the 'time of day warp':
EDIT: It's the same feature as the mountain I've circled on the right below but we're now a little bit closer. Note that visibility seems to have dropped after the time of day warp, or the bloom has increased, so I think it's an illusion that the mountains are further away. The only surefire way to judge distances is with parallax.
Here's where I think Link is after the 'time of day warp':
I still disagree with my fellow investigator RagnarokX's hypothesis that they are beyond the first region. The scale matches up - watch the parallax of the cliffs on the right as Link rides through and out of the forest. It's actually geographically quite near Link, so that's why I think Link is at the arrow I marked above.
EDIT: It's the same feature as the mountain I've circled on the right below but we're now a little bit closer. Note that visibility seems to have dropped after the time of day warp, or the bloom has increased, so I think it's an illusion that the mountains are further away. The only surefire way to judge distances is with parallax.