According to calculations done by Don Yeomans, Comet Hyakutake B2 will not only make a close pass of the Earth (0.10 AU) on March 25, it will also make a near flyby of Venus by 0.231 AU (21.5 million miles) on April 11, 1996. Its velocity relative to Venus will be 76.779 km/sec.
Ron Baalke
Comet 1996 B2 Hyakutake Home Page