Holiday Inn Conference Center Janesville Weddings Holiday Inn Conference Center Janesville Visit Website Request Info 3100 Wellington Place Janesville, Wisconsin 53546 (608) 741-1929 Facebook About Map About Conference Center with over 15,000 sqft of combined meeting, event, exhibit, event and banquet space. Capacity to hold small and large events up to 800 guests. Holiday Inn Express Adjacent. What's Nearby? Distance: 5 10 15 20 25 50 mi.