The roads in Finland are well marked and because of wide spread population they are also in good shape.
Also during the winter.
General speed limit in towns is 50 km/h and 80 km/houtside towns.
Changes are we marked;
40 km/h center of towns
60 km/h crossroads
100km/h summer limit in most roads outside the towns
Taking a taxi is not cheap in Finland but still it's very wise & reliable way to move short distances for example during the nights in cities. Also cities are quite safe but like in all bigger places it's better to pay than regret.
Taxis in Finland do not scam.
Fares can be checked from link below:
Finnair has 2-3 daily flights to Kajaani which is located 30 kilometers from Vuokatti.
Buying a return ticket is always more cheaper with Finnair and if you are flying with Finnair to Helsinki, a connection flight is only tens of euros.
Timetables from link below:
Take train from south or Oulu to Kajaani and change to a bus or rent a car from Kajaani which is located 30 kilometers from Vuokatti.
Public transportation works mostly well in Finland, of course weather condition can affect more than warm countries.
Trains are clean and you don't have to worried about your safety.
Timetables and prices from link below: