Ways

I think it could be either:

Which length description are you looking for?:

routes

'ways' is the definition.
(I know this)

This is the entire clue.

(Other definitions for routes that I've seen before include "passages" , "Ways from A to B" , "regular courses" , "Ways travelled on regular journeys" , "Ways, courses, journeys" .)

I've seen this clue in The New York Times.

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