It is currently in the process of updating its track widths to match the European standard. But the service makes it possible to travel around 5,000km by rail from Portugal's Algarve to Finland's northernmost train station of Kolari - believed to be the longest train route in Europe. Finland's transport minister said the return of the cross-border service shows cooperation between the two countries was growing "all the time". Elisa Markula, chief executive of Finland's state-owned railway operator VR, said she hopes the service will benefit from a "renaissance" in rail travel across Europe. "Train travelling in all Europe is having a renaissance.