Answer to your question is no, they don't fly out of Newark. They do fly out of JFK in New York City. You can look at Iberia.com/us to see where their US Departs are from.
About fifteen minutes.
About 2 hours
How far is Rutherford, NJ from Newark, NJ?
Yes they do. They have directs and also via ORD and CLE
How long does it take to get to Vegas on a flight from Newark Nj
Continental Express.http://www.continental.com/web/en-US/default.aspx
Depending on air traffic routing 45 mins to one hour.
Train from Newark NJ to Stamford CT
newark was founded in 1668
Newark, NJ, USA is in Essex County
About 2hrs
about an hour