Rome to Barcelona by Train
Rome to Barcelona by train has no direct service. Fastest public summaries show about 21h33, with changes via Italy and France.
Rome to Amsterdam by Train
Rome to Amsterdam by train takes around 15 hours at best, usually with 2-3 changes via Milan, Switzerland/Germany, or Zurich Nightjet.
Rome to Copenhagen by Train
Rome to Copenhagen by train is possible but not direct. Plan via the Rome-Munich Nightjet or a daytime route with stopovers.
Rome to Gothenburg by Train
Rome to Gothenburg by train takes about 26-30 hours with no direct service and at least 4 changes via Germany, Denmark and Sweden.
London to Budapest by Train
Two overnight routes connect London and Budapest by train via Paris or Brussels. No direct service exists. Journey time 18 to 24 hours.
London to Linz by Train
No direct London-Linz train; compare Eurostar to Brussels, then Germany-Austria connections to Linz Hbf. Fast examples run about 11-12 hours.