Yahoo and Google Map Querystring URLs for Multiple Destinations

Google
http://maps.google.com/maps?saddr=
1825+Monroe+Ave+NW%2C+Grand+Rapids%2C+MI+49505-6240
to:2988+Paul+Dr%2C+Elkhart%2C+IN+46514-8796
to:1329+Callaghan+St%2C+Greenville%2C+MI+48838-7152

Yahoo
http://maps.yahoo.com/
#q1=1825+Monroe+Ave+NW%2C+Grand+Rapids%2C+MI+49505-6240
&q2=2988+Paul+Dr%2C+Elkhart%2C+IN+46514-8796
&q3=1329+Callaghan+St%2C+Greenville%2C+MI+48838-7152