i'm guessing on PBP IF-THEN. so what about
Code:
Dist_To_Print var word SYSTEM 

@Print_Distance macro arg
	@ MOVE?WW arg, Dist_To_Print
	@ if Dist_To_Print < 200 
		lcdout " "
		@ endif
	@ if Dist_To_Print < 20 
		lcdout " "
		@ endif
	lcdout #(dist_to_print / 2), ".", dec1 ((Dist_To_Print // 2) * 5), "cm"

	@ endm