In the ESV, these verses are: "11 For as high as the heavens are above the earth, so great is his steadfast love toward those who fear him; 12 as far as the east is from the west, so far does he remove our transgressions from us." In verse 11, there's a comparison involving height, and in verse 12, there's a comparison involving lateral distance. Taken together, the directions of these two comparisons form a cross, and Christ's death on the cross illustrates "his steadfast love" and is how "he remove[s] our transgressions from us."