Even if you take the largest 707
707-320B - Wing span 44.42m (145ft 9in), length 46.61m (152ft 11in), height 12.93m (42ft 5in)
http://www.airliners.net/info/stats.main?id=87
Even if you check the 911 theorist siteshttp://www.whatreallyhappened.com/boeing_707_767.html
willravel, I said bigger because fastom said bigger.