Don't forget to buy food and drinks in advance if you need them: train stations do not always have shops, while onboard cafés are not always available and often very expensive.
If you don't feel like spending many hours in a train, you can consider travelling by plane. Especially if you have the possibility to book in advance, flying to Lviv can be definitely cheap.
Which stations are served by the trains travelling from Kharkiv to Lviv?
The trains to Lviv can leave from Kharkiv and arrive at Pidzamche.
How many train connections exist to go from Kharkiv to Lviv per day?
If you want to travel from Kharkiv to Lviv by train, there are 9 available connections per day. Please notice that all of these connections, that is to say 9 routes, are direct lines. There is no connection with a change. Consequently, you will never have to change trains.
How long does it take from Kharkiv to Lviv and when do the trains leave?
With the fastest connections you will be in Lviv in 19 hours and 35 minutes, but on average it takes 22 hours and 15 minutes. The first train headed to Lviv is at 04:02, while the last one leaves Kharkiv at 16:02.