The bus that Adventure Overland says will be used on a 56-day trip
Looks like they got this backwards in geography and in time of year; at theeEnd of Aug. the chances of seeing Northern Lights (or Midnight Sun), even at North Cape, is rather slim.
The Santa Clause Village in Finland is open year around, but may be better visited in winter.
PS> According to a local paper they will make a stop here in Ålesund as well.
This is how the Adventures Overland present the itinerary from Istanbul to London.