to be a bit far away, a good distance away from something or some place
Alonso de Molina:
achica onantica. estar algo lexos el lugar, o auer buen trecho hasta el. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 2r. col. 1. Thanks to Joe Campbell for providing the transcription.