Planning a trip to Finland? July will a see the long awaited opening of Helsinki airport's rail link to the city centre. It will take 30 minutes to and from the capital’s central station. The Ring Rail Line will be 18 kilometres long, 8kms of which will be in tunnels. Passengers travelling to and from the north of Finland will be able to change at Tikkurila station, which is about an 8 minute ride to the east of the airport.