1hr 45min by easy jet in good conidtion weather
About 13.5 hours.
About 5 hours by train, according to this website: http://gospain.about.com/od/bustravelinspain/a/madrid_bustrain.htm
From Barcelona to Paris the train ride will last between 08H39 and 11H50 depending of your choice of train.
6 hours.
aircraft (550 mph) | 34 minutes 20 seconds