The route I did from Helsinki to Sydney is go on Finnair to London from Helsinki. Then I went on British airways to Sydney from London. I don't know if it's the best route but that how I got to Sydney from Helsinki.
There are several ways. Finnair operates flights from London and Manchester to Helsinki. Ryanair from London Stansted to Tampere.
173km. Best way to get from Helsinki to to Tampere is train. ( Cost-efficient, at least.)
About 3 hours and 10 minutes
3 hours and 10 minutes.
1703km from London to Turku (former capital) 1823km from London to Helsinki (capital)
Fly from Gatwick
airplane
train
Catch a train from London (Euston) to Worcester (Foregate Street).
london,helsinki,tokyo,montreal,atlanta,sydney,athens
About 3 hours 10 mins.
Train from Paddington