Far away from home or one's usual surroundings:
— Looking afield for new lands to conquer.

synonym: abroad.

Roget 186: here, there, where, everywhere, aboard, on board, at home, afield; here there and everywhere etc. (space) 180; in presence of, before; under the eyes of, under the nose of; in the face of; in propria persona [Lat.].    on the spot; in person, in the flesh.    ... show more

In or into a field (especially a field of battle).

Off the subject; beyond the point at issue.