The pairing with Parashah Pekudei, whose closing chapters describe the Tabernacle's completion and erection followed immediately by the glory of God filling it so completely that even Moses cannot enter, rests on the most exact structural parallel available anywhere in this entire batch: both texts describe a sacred structure finished, a significant object housed within it, the Ark's coverings in one case and the Ark itself in the other, and then the identical culminating event, God's glory descending as a cloud so overwhelming it halts the ordinary functioning of the sanctuary.
Where the parashah's Tabernacle is a portable structure built for a people still wandering the wilderness, the haftarah's Temple is a fixed, permanent structure built once the nation has settled securely in its own land, so that the two accounts, read together, trace the same sacred pattern across two very different stages of the nation's history, from a tent that moves with the people to a house that stays fixed in one place.
Solomon's closing speech, recalling David's original wish and God's instruction that Solomon himself would fulfill it, also mirrors the parashah's own closing note that Moses completed the work exactly as God had commanded him, both accounts insisting that the finished structure matches its instructions precisely rather than approximately.