A pilot flies south 100 miles then east 100 miles then north 100 miles and ends up back where she started. Where might she have started?

A pilot flies south 100 miles then east 100 miles then north 100 miles and ends up back where she started. Where might she have started?

A pilot flies south 100 miles then east 100 miles then north 100 miles and ends up back where shestarted. Where might she have started? She might have started at North-west.