Listing the length of each attraction at Epcot, in minutes:

Epcot Attraction Durations
Attraction Duration
Test Track Presented by Chevrolet 4 minutes
The Seas with Nemo & Friends 4 minutes
Soarin' 5.5 minutes
Journey Into Imagination With Figment 6 minutes
Gran Fiesta Tour Starring The Three Caballeros 7 minutes
Meet Disney Pals at the Epcot Character Spot 10 minutes
JAMMitors 10 minutes
Sbandieratori Di Sansepolcro 12 minutes
IllumiNations: Reflections of Earth 12 minutes
Voices of Liberty 13 minutes
Living with the Land 14 minutes
Reflections of China 14 minutes
Mission: SPACE Orange 15 minutes
O Canada! 15 minutes
Canadian Lumberjacks 15 minutes
Paul McKenna Band 15 minutes
Sum of All Thrills (in Innoventions East) 15 minutes
American Music Machine 15 minutes
Matsuriza 15 minutes
Mission: SPACE Green 15 minutes
Spaceship Earth 16 minutes
B'net Al Houwariyate 17 minutes
Turtle Talk with Crush 17 minutes
Impressions de France 18 minutes
Captain EO 20 minutes
Sergio 20 minutes
The Jeweled Dragon Acrobats 20 minutes
Serveur Amusant 20 minutes
The Circle of Life 20 minutes
British Revolution 20 minutes
Mariachi Cobre 25 minutes
The American Adventure 29 minutes
Agent P's World Showcase Adventure 30 minutes
Ellen's Energy Adventure 35 minutes
Eat to the Beat Concert Series 35 minutes
Rose & Crown Pub Musician 45 minutes

Duration of Attractions at Other Parks