"slightly far" is correct and usable in written English.
You can use it when referring to a distance that is not too far, but not too close either. For example, "The store is slightly far from here, so it will take a few minutes to get there."
The area is slightly far from the causative fault.
For the cloudy day (Dec 13 , 2015, there is also a good agreement for most of the important points of the curves as I sc and V oc, except for P m which is slightly far from the simulated power.
These two initial guesses have been chosen such that "Initial guess 1" is very close to the actual model, while "Initial guess 2" is slightly far from the actual model.
None are really game changers, but the modular system is interesting in that it allows for some slightly far out ideas that most companies wouldn't dare build into their flagship wearable.
Anywhere will do, but if you're just starting out keep them slightly far apart.
Although the scheme sounds slightly far-fetched, it chimes with a growing trend amongst technology companies to leverage vast sets of user-data in predicting future action.
Sony has delivered a comic-book film that feels more like a slightly far-out sci-fi piece: the big screen answer to JJ Abrams' Fringe, perhaps.
Many people described this book as truly heartbreaking, and yet wonderful to read at the same time, and before opening this book up for the first time I thought it was a slightly far-fetched opinion.
Mr. Bloomberg and his advisers look to the electoral success of Mr. Giuliani -- a Republican in an overwhelmingly Democratic city, a man who had never held elective office -- as a reason for confidence in what might otherwise seem a slightly far-fetched candidacy.
What if I were slightly far-sighted?
"We can identify with the Catalans and their struggle against the great power of Madrid, like the way we struggle against Israel," one supporter in Ramallah told me with a slightly far-fetched simile.
