Where are the signs that say that they want to be flown to the US? After all that's where most of those refugees belong. Sure the Europeans went along with all the US wars but it was the US who started all that mess in the Middle East to begin with.
Forget the trains. Go to the airport and demand transport to the USA.
It is a sign of the times that refugees no longer perceive the USA as a country with all that good a living standard or opportunities where they would want to live. Canada maybe, but not the US.