Twins

1. Two movies with an Edgar Allen Poe character (Ben Chaplin directed by Coppola and John Cusack directed by James McTeigue)
2. Two Snow White movies (Kristen Stewart directed by Rupert Sanders and Lily Collins directed by Tarsem Signh)
3. Two movies about Linda Lovelace (Malin Åkerman directed by Matthew Wilder and apparently Kate Hudson)
4. Two movies about Vivaldi (Max Irons directed by Boris Damast, not sure about the other one)

Also:
1. Dangeous Liaisons* (Stephen Frears) and Valmont (Miloš Forman)
2. Volcano (Mick Jackson) and Dante's Peak (Roger Donaldson)
3. Armageddon (Michael Bay) and Deep Impact (Mimi Leder)
4. The Prestige (Christopher Nolan) and The Illusionist (Neil Burger)
5. Capote (Bennett Miller) and Infamous (Douglas McGrath)
6. Coco Avant Chanel (Anne Fontaine) and Coco & Igor (Jan Kounen)
7. No Strings Attached (Ivan Reitman) and Friends With Benefits (Will Gluck)

That's all I can think of.

* Didn't know it was spelled that way, hm...