Suppose a is the axial length of the body face centred cubic cell then the distance between the nearest neighbour is ? Share with your friends Share 0 Vartika Jain answered this Dear Student, It should be body centred cubic and not body face centred cubic. The distance between neighbours in bcc structure=2rand, r=34aTherefore, Distance between neighbours = 2×34a =32a 2 View Full Answer