Achieve is a synonym of Reach. Reach is related to Arrive. Arrive is etymologically related to Land. Land is related to Territory. 
Remote is the opposite of Intimate. Intimate is a synonym of Sexual. Sexuality is derived from Sexual. Sexuality is a synonym of Sex. 
Achieve <--Synonym--> Reach <--RelatedTo--> Arrive --EtymologicallyRelatedTo--> Land <--RelatedTo--> Territory 
Remote <--Antonym--> Intimate <--Synonym--> Sexual <--DerivedFrom-- Sexuality <--Synonym--> Sex 