For relatively short journeys like the one from Warsaw to Madrid, you could also choose to travel by carpooling, cheaper alternative, or by train, an ecological choice.
Despite being extremely cheap, the bus is also very slow and getting from Warsaw to Madrid by bus will take you a while. You could consider travelling by plane, getting low-cost tickets if you can book in advance.
What time do the busses to Madrid leave?
While the first bus leaves at 11:01, the last one leaves Warsaw at 11:11. The duration of the journey is on average 44 hours and 53 minutes, but it can take you only 45 hours and 45 minutes with the fastest connections.
Which bus companies are in service in the route Warsaw - Madrid?
There are many companies cooperating with virail, among which also Sinbad and Sindbad with buses to Madrid.