Here is the full list of all 9 Ticket to Ride: First Journey achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Get 10 Coast-to-coast bonus
Connect Stockholm and Athens
Collect 5 stickers
Win a game in Europe
Win a game in North America
Win by spending all of your 40 train cars
Connect Calgary and New Orleans
Collect 20 stickers
Collect all stickers!