Answer: outermost

AnswerCrossword Clue
OUTERMOSTFarthest.
OUTERMOSTFarthest from the center.
OUTERMOSTAs far from the heart as possible
OUTERMOSTLike Neptune among the planets in the solar system
OUTERMOSTSituated farthest from the center
outermostFarthest from the center
outermostfarthest from the middle or interior also OUTMOST