Here is the full list of all 11 The Van Game achievements.
Drive from NYC to LA in 7 days or vice verse
Drive from Seattle To Miami in 7 days or vice versa
Beat the game on easy difficulty or higher
Beat the game on medium difficulty or higher
Beat the game on hard difficulty
Unlock all upgrades
Unlock all Colors and Decals
Travel to all locations in one save game
Contract your first case of dysentery
Get (most of) the gang back together in their classic ride
Lose all your passengers before making it to a single park