Picture #1/8 is from Main Road Class II (
kantatie/stamväg) 51 southeastbound where it ends in Ruoholahti/Gräsviken in western central Helsinki/Helsingfors. Google Street View:
https://goo.gl/maps/UZ7dT5wLFtx
Picture #3/8 is from Helsinki's West Harbour, looking southeastward, with the new West Terminal 2 (daily regular traffic to Tallinn) prominently in view to the right. To the far left, presumably off-picture, would be the old West Terminal 1 (weekly regular traffic to St Petersburg). Closest Google Street View, quite far to the northwest, looking southeastward towards West Harbour:
https://goo.gl/maps/KxVnqnrEvCN2 Google Spherical Photo from close up to Terminal 2:
https://goo.gl/maps/i1WaHWFtHXo Google Spherical Photo from a little farther away to the north:
https://goo.gl/maps/A2pwrR6JyNu Google Spherical Photo from even farther away to the north, next to Terminal 1:
https://goo.gl/maps/CZ3dk4VtNJJ2
Picture #7/8 (last picture in the blog post body) is from Main Road Class I (
valtatie/riksväg) 12 westbound in central Lahti/Lahtis, with Marshal C.G.E. Mannerheim's equestrian statue (not to be confused with the one in central Helsinki/Helsingfors) prominently in view to the right. Google Street View:
https://goo.gl/maps/e3W3cK5XNxK2
Picture #8/8 (second to last picture in the blog post body) is from the E12 = Main Road Class I (
valtatie/riksväg) 3 southeastbound where it crosses
Pyhäjärvi lake southwest of Tampere/Tammerfors.
Rajasaaret islands are prominently in view, the landmass to the left with the sign being the main one of these islands. Google Street View:
https://goo.gl/maps/ZJrAaFuLzsH2